Energies

Article	Citations
Ammonia as Effective Hydrogen Storage: A Review on Production, Storage and Utilization	285
Digitization, Digital Twins, Blockchain, and Industry 4.0 as Elements of Management Process in Enterprises in the Energy Sector	180
A Critical Review of Wind Power Forecasting Methods—Past, Present and Future	176
Liquid Hydrogen: A Review on Liquefaction, Storage, Transportation, and Safety	174
A Comprehensive Review on Supercapacitor Applications and Developments	169
A Review on Thermoelectric Generators: Progress and Applications	166
Possibilities and Challenges for the Inclusion of the Electric Vehicle (EV) to Reduce the Carbon Footprint in the Transport Sector: A Review	164
Methods and Techniques for CO2 Capture: Review of Potential Solutions and Applications in Modern Energy Technologies	157
Potential Liquid-Organic Hydrogen Carrier (LOHC) Systems: A Review on Recent Progress	146
Fuel Cell Electric Vehicles—A Brief Review of Current Topologies and Energy Management Strategies	145
Overview on Grid-Forming Inverter Control Methods	145
Global Indicators of Sustainable Development: Evaluation of the Influence of the Human Development Index on Consumption and Quality of Energy	144
Energy Harvesting towards Self-Powered IoT Devices	142
Impact on Electricity Consumption and Market Pricing of Energy and Ancillary Services during Pandemic of COVID-19 in Italy	142
Do Environment-Related Policy Instruments and Technologies Facilitate Renewable Energy Generation? Exploring the Contextual Evidence from Developed Economies	141
Pandemic, War, and Global Energy Transitions	141
Performance Comparison and Current Challenges of Using Machine Learning Techniques in Cybersecurity	138
Reviewing Usage, Potentials, and Limitations of Renewable Energy Sources	128
Characterization of Hybrid-nano/Paraffin Organic Phase Change Material for Thermal Energy Storage Applications in Solar Thermal Systems	127
Review of Positive and Negative Impacts of Electric Vehicles Charging on Electric Power Systems	123
A Literature Review of the Challenges and Opportunities of the Transition from Industry 4.0 to Society 5.0	122
Utilization of Electric Vehicles for Vehicle-to-Grid Services: Progress and Perspectives	122
A Comprehensive Review on Energy Storage Systems: Types, Comparison, Current Scenario, Applications, Barriers, and Potential Solutions, Policies, and Future Prospects	120
A Review on Deep Learning Models for Forecasting Time Series Data of Solar Irradiance and Photovoltaic Power	117
A Novel Approach of Design and Analysis of a Hexagonal Fractal Antenna Array (HFAA) for Next-Generation Wireless Communication	117

An Advanced Machine Learning Based Energy Management of Renewable Microgrids Considering Hybrid Electric Vehicles’ Charging Demand	114
Renewable Energy in the Sustainable Development of Electrical Power Sector: A Review	113
A Comprehensive Review of Recent Advances in Smart Grids: A Sustainable Future with Renewable Energy Resources	109
Hydrothermal Carbonization as a Valuable Tool for Energy and Environmental Applications: A Review	108
The Importance of Renewable Energy Sources in Poland’s Energy Mix	108
Methane Cracking for Hydrogen Production: A Review of Catalytic and Molten Media Pyrolysis	107
The Linkage between Economic Growth, Renewable Energy, Tourism, CO2 Emissions, and International Trade: The Evidence for the European Union	106
CO2 Capture, Use, and Storage in the Cement Industry: State of the Art and Expectations	105
Energy-Efficient Clustering Scheme for Flying Ad-Hoc Networks Using an Optimized LEACH Protocol	105
Air Temperature Forecasting Using Machine Learning Techniques: A Review	104
CdTe-Based Thin Film Solar Cells: Past, Present and Future	103
Review of Multilevel Inverters for PV Energy System Applications	102
The Impact of the Government Policy on the Energy Efficient Gap: The Evidence from Ukraine	102
A Review of the Degradation of Photovoltaic Modules for Life Expectancy	101
Deep-Learning Forecasting Method for Electric Power Load via Attention-Based Encoder-Decoder with Bayesian Optimization	101
Energy Management Strategies for Hybrid Electric Vehicles: Review, Classification, Comparison, and Outlook	101
Investigation of Inorganic Phase Change Material for a Semi-Transparent Photovoltaic (STPV) Module	100
Numerical Investigation Energy Conversion Performance of Tin-Based Perovskite Solar Cells Using Cell Capacitance Simulator	99
Revisiting the Role of Fiscal Policy, Financial Development, and Foreign Direct Investment in Reducing Environmental Pollution during Globalization Mode: Evidence from Linear and Nonlinear Panel Data	99
Comprehensive Review on Fuel Cell Technology for Stationary Applications as Sustainable and Efficient Poly-Generation Energy Systems	99
Distributed Energy Resources and the Application of AI, IoT, and Blockchain in Smart Grids	99
Do Perceived Risk, Perception of Self-Efficacy, and Openness to Technology Matter for Solar PV Adoption? An Application of the Extended Theory of Planned Behavior	98
SimBench—A Benchmark Dataset of Electric Power Systems to Compare Innovative Solutions Based on Power Flow Analysis	97
A Comprehensive Review on IoT Protocols’ Features in Smart Grid Communication	97
Anti-Reflective Coating Materials: A Holistic Review from PV Perspective	97
Significance of Hydrogen as Economic and Environmentally Friendly Fuel	96
A Comprehensive Review on Bypass Diode Application on Photovoltaic Modules	96
Operational Parameters of Biogas Plants: A Review and Evaluation Study	96
Critical Review of Flywheel Energy Storage System	95
The Impacts of Air Pollution on Health and Economy in Southeast Asia	95
Data-Driven Charging Demand Prediction at Public Charging Stations Using Supervised Machine Learning Regression Methods	94
A Review of Supercapacitors: Materials Design, Modification, and Applications	94
Integrated Approach for Wastewater Treatment and Biofuel Production in Microalgae Biorefineries	94
A Critical Look at Coulomb Counting Approach for State of Charge Estimation in Batteries	93
Exploring the Relationship between Renewable Energy Sources and Economic Growth. The Case of SAARC Countries	93
A Review of DC Microgrid Energy Management Systems Dedicated to Residential Applications	93
An Evaluation of Energy Storage Cost and Performance Characteristics	92
Review of Control and Energy Management Approaches in Micro-Grid Systems	90
Cyber-Physical Systems Improving Building Energy Management: Digital Twin and Artificial Intelligence	89
Wireless Power Transfer Technologies Applied to Electric Vehicles: A Review	88
Electrochemical Impedance Spectroscopy: A New Chapter in the Fast and Accurate Estimation of the State of Health for Lithium-Ion Batteries	88
A Comprehensive Overview of Hydrogen-Fueled Internal Combustion Engines: Achievements and Future Challenges	88
Confronting Energy Poverty in Europe: A Research and Policy Agenda	87
Infectious Diseases, Market Uncertainty and Oil Market Volatility	86
From Industry 4.0 towards Industry 5.0: A Review and Analysis of Paradigm Shift for the People, Organization and Technology	85
Nexus between Financial Development, Renewable Energy Consumption, Technological Innovations and CO2 Emissions: The Case of India	85
Soil Bioremediation: Overview of Technologies and Trends	85
Electrochemical Impedance Spectroscopy Based on the State of Health Estimation for Lithium-Ion Batteries	84
Role of Microbial Hydrolysis in Anaerobic Digestion	83
A Robust q-Rung Orthopair Fuzzy Information Aggregation Using Einstein Operations with Application to Sustainable Energy Planning Decision Management	83

Renewable Energy in Final Energy Consumption and Income in the EU-28 Countries	82
The Impact of Globalization, Energy Use, and Trade on Ecological Footprint in Pakistan: Does Environmental Sustainability Exist?	82
Molten Salts for Sensible Thermal Energy Storage: A Review and an Energy Performance Analysis	82
Energy Transition in Poland—Assessment of the Renewable Energy Sector	82
Cost of Equity of Coal-Fired Power Generation Projects in Poland: Its Importance for the Management of Decision-Making Process	82
Can Green Hydrogen Production Be Economically Viable under Current Market Conditions	81
Cyber-Security of Smart Microgrids: A Survey	80
Bifacial Photovoltaics 2021: Status, Opportunities and Challenges	80
The Systemic Approach for Estimating and Strategizing Energy Security: The Case of Ukraine	80
Factors Influencing the Renewable Energy Consumption in Selected European Countries	80
Prospects of Fuel Cell Combined Heat and Power Systems	80
Integration of Electric Vehicles in the Distribution Network: A Review of PV Based Electric Vehicle Modelling	78
Enhancement in Combustion, Performance, and Emission Characteristics of a Diesel Engine Fueled with Ce-ZnO Nanoparticle Additive Added to Soybean Biodiesel Blends	78
Direct Comparison of Immersion and Cold-Plate Based Cooling for Automotive Li-Ion Battery Modules	77
Current Trends for State-of-Charge (SoC) Estimation in Lithium-Ion Battery Electric Vehicles	76
A Critical Review of Improved Deep Convolutional Neural Network for Multi-Timescale State Prediction of Lithium-Ion Batteries	76
Effect of Environment-Friendly Non-Ionic Surfactant on Interfacial Tension Reduction and Wettability Alteration; Implications for Enhanced Oil Recovery	76
Recent Progress of Organic Photovoltaics with Efficiency over 17%	75
Smart Building Integration into a Smart City (SBISC): Development of a New Evaluation Framework	75
Evaluation of Mathematical Model to Characterize the Performance of Conventional and Hybrid PV Array Topologies under Static and Dynamic Shading Patterns	74
A Review of SOH Prediction of Li-Ion Batteries Based on Data-Driven Algorithms	73
Unmanned Aerial Vehicles (UAV) in Precision Agriculture: Applications and Challenges	73
Comprehensive Assessment of Smart Grids: Is There a Universal Approach?	73
Technical and Commercial Challenges of Proton-Exchange Membrane (PEM) Fuel Cells	72
Technology for the Recovery of Lithium from Geothermal Brines	72
A Machine Learning-Based Gradient Boosting Regression Approach for Wind Power Production Forecasting: A Step towards Smart Grid Environments	72
High Reynold’s Number Turbulent Model for Micro-Channel Cold Plate Using Reverse Engineering Approach for Water-Cooled Battery in Electric Vehicles	71
A Review of Hydrogen as a Fuel in Internal Combustion Engines	71
Reliability of ERA5 Reanalysis Data for Wind Resource Assessment: A Comparison against Tall Towers	71
A Review of Lithium-Ion Battery Fire Suppression	71
A Review on Synthetic Ester Liquids for Transformer Applications	71
Nanomaterial-Based Drilling Fluids for Exploitation of Unconventional Reservoirs: A Review	71
Battery-Supercapacitor Energy Storage Systems for Electrical Vehicles: A Review	71
Wireless Power Transfer for Implanted Medical Application: A Review	70
Autonomous Shuttle Bus for Public Transportation: A Review	69
Efficiency of Electricity Production Technology from Post-Process Gas Heat: Ecological, Economic and Social Benefits	69
Energy Efficiency Evaluation Based on Data Envelopment Analysis: A Literature Review	69
Green Concrete Based on Quaternary Binders with Significant Reduced of CO2 Emissions	69
Determinants of Decarbonization—How to Realize Sustainable and Low Carbon Cities?	69
NCA, NCM811, and the Route to Ni-Richer Lithium-Ion Batteries	69
Hedging Strategies of Green Assets against Dirty Energy Assets	69
Climate Change Mitigation Policies Targeting Households and Addressing Energy Poverty in European Union	68
The Effect of Renewable and Nuclear Energy Consumption on Decoupling Economic Growth from CO2 Emissions in Spain	68
Battery Management Systems—Challenges and Some Solutions	68
A Review of Thermochemical Conversion of Waste Biomass to Biofuels	68
Comparative Study of Tubular Solar Stills with Phase Change Material and Nano-Enhanced Phase Change Material	68
Using SCADA Data for Wind Turbine Condition Monitoring: A Systematic Literature Review	68
Towards a Digital Product Passport Fit for Contributing to a Circular Economy	67
Recent Progress and Challenges of Electron Transport Layers in Organic–Inorganic Perovskite Solar Cells	67
An Improved SOC Control Strategy for Electric Vehicle Hybrid Energy Storage Systems	67
Extracellular Polymeric Substances (EPS) as Microalgal Bioproducts: A Review of Factors Affecting EPS Synthesis and Application in Flocculation Processes	66
Production of Biodiesel from Castor Oil: A Review	66
A Review of the Tools and Methods for Distribution Networks’ Hosting Capacity Calculation	66
A Scalable Real-Time Non-Intrusive Load Monitoring System for the Estimation of Household Appliance Power Consumption	66
An Improved Cuckoo Search Algorithm for Maximum Power Point Tracking of Photovoltaic Systems under Partial Shading Conditions	66
Selection Guidelines for Wind Energy Technologies	65
Effects of the COVID-19 Pandemic on Energy Systems and Electric Power Grids—A Review of the Challenges Ahead	65
Power System Stability with Power-Electronic Converter Interfaced Renewable Power Generation: Present Issues and Future Trends	65
Review on Deep Neural Networks Applied to Low-Frequency NILM	65
Power-to-Gas and Power-to-X—The History and Results of Developing a New Storage Concept	65
Economic Considerations on Nutrient Utilization in Wastewater Management	65
Sources of Greenhouse Gas Emissions in Agriculture, with Particular Emphasis on Emissions from Energy Used	65
The Impact of the Ventilation System on the Methane Release Hazard and Spontaneous Combustion of Coal in the Area of Exploitation—A Case Study	65
Automatic Crack Segmentation for UAV-Assisted Bridge Inspection	65
Progress in Material Development for Low-Temperature Solid Oxide Fuel Cells: A Review	65
Review of Energy Management System Approaches in Microgrids	65
Renewable Energy and Energy Storage Systems	65
Estimation of the Energy Consumption of Battery Electric Buses for Public Transport Networks Using Real-World Data and Deep Learning	64
Effect of Additivized Biodiesel Blends on Diesel Engine Performance, Emission, Tribological Characteristics, and Lubricant Tribology	64
Hydrogen Fuel Cell Road Vehicles: State of the Art and Perspectives	64
Chemical Looping Combustion: A Brief Overview	64
Alternative Fuels for Internal Combustion Engines	64
IoT-Based Digital Twin for Energy Cyber-Physical Systems: Design and Implementation	64
IT2 Fuzzy-Based Multidimensional Evaluation of Coal Energy for Sustainable Economic Development	64
Towards 100 Positive Energy Districts in Europe: Preliminary Data Analysis of 61 European Cases	64
Impact of Lithium Salts on the Combustion Characteristics of Electrolyte under Diverse Pressures	64
A Comprehensive Review of the Cyber-Attacks and Cyber-Security on Load Frequency Control of Power Systems	64
Solving the Optimal Reactive Power Dispatch Using Marine Predators Algorithm Considering the Uncertainties in Load and Wind-Solar Generation Systems	63
EU-28 Residential Heat Supply and Consumption: Historical Development and Status	63
Energy Security and Energy Transition to Achieve Carbon Neutrality	63

Redox Flow Batteries: A Literature Review Oriented to Automatic Control	63
Impact of the Lockdown during the COVID-19 Pandemic on Electricity Use by Residential Users	63
Li-Ion Batteries: A Review of a Key Technology for Transport Decarbonization	63
A Review of Recent Passive Heat Transfer Enhancement Methods	63
Distributed Generation and Renewable Energy Integration into the Grid: Prerequisites, Push Factors, Practical Options, Issues and Merits	63
Sustainability Assessment for Manufacturing Operations	63
How Is Mortality Affected by Fossil Fuel Consumption, CO2 Emissions and Economic Factors in CIS Region?	62
Empowering Vulnerable Consumers to Join Renewable Energy Communities—Towards an Inclusive Design of the Clean Energy Package	62
Hydrogen Blending in Gas Pipeline Networks—A Review	62
A Review on Bio-Based Catalysts (Immobilized Enzymes) Used for Biodiesel Production	62
Keynote Review of Latest Advances in Thermoelectric Generation Materials, Devices, and Technologies 2022	62
Drivers of CO2-Emissions in Fossil Fuel Abundant Settings: (Pooled) Mean Group and Nonparametric Panel Analyses	62
Wind, Solar, and Photovoltaic Renewable Energy Systems with and without Energy Storage Optimization: A Survey of Advanced Machine Learning and Deep Learning Techniques	62
Modeling and Analysis of Heat Dissipation for Liquid Cooling Lithium-Ion Batteries	62
Solar Photovoltaic Tracking Systems for Electricity Generation: A Review	62
Microgrid Fault Detection and Classification: Machine Learning Based Approach, Comparison, and Reviews	61
A Comprehensive Review on Grid Connected Photovoltaic Inverters, Their Modulation Techniques, and Control Strategies	61
The Impact of Green Finance on Urban Haze Pollution in China: A Technological Innovation Perspective	61
ForecastTB—An R Package as a Test-Bench for Time Series Forecasting—Application of Wind Speed and Solar Radiation Modeling	61
Combined Effect of Coal Fly Ash (CFA) and Nanosilica (nS) on the Strength Parameters and Microstructural Properties of Eco-Friendly Concrete	61
Improving Non-Intrusive Load Disaggregation through an Attention-Based Deep Neural Network	60
Environmental Life Cycle Impacts of Automotive Batteries Based on a Literature Review	60
Towards Short Term Electricity Load Forecasting Using Improved Support Vector Machine and Extreme Learning Machine	60
Metal-Air Batteries—A Review	60
Incineration Fly Ash and Its Treatment to Possible Utilization: A Review	60
Integrative Smart Grids’ Assessment System	59
A Systematic Review of Energy Management Strategies for Resource Allocation in the Cloud: Clustering, Optimization and Machine Learning	59
Hybrid Battery Thermal Management System in Electrical Vehicles: A Review	59
Pathways for Low-Carbon Transition of the Steel Industry—A Swedish Case Study	59
Laminar Burning Velocities of Hydrogen-Blended Methane–Air and Natural Gas–Air Mixtures, Calculated from the Early Stage of p(t) Records in a Spherical Vessel	59
The Method of Combating Coal Spontaneous Combustion Hazard in Goafs—A Case Study	59
Industrialization and CO2 Emissions in Sub-Saharan Africa: The Mitigating Role of Renewable Electricity	59
Dynamic Voltage Restorer (DVR): A Comprehensive Review of Topologies, Power Converters, Control Methods, and Modified Configurations	59
The Beneficial Effect of the Addition of Fly Ash on Reduction of the Size of Microcracks in the ITZ of Concrete Composites under Dynamic Loading	59
Future of Hydrogen as an Alternative Fuel for Next-Generation Industrial Applications; Challenges and Expected Opportunities	59
A Survey on IoT-Enabled Smart Grids: Emerging, Applications, Challenges, and Outlook	59
A Novel Algorithm for MPPT of an Isolated PV System Using Push Pull Converter with Fuzzy Logic Controller	58
End of Electric Vehicle Batteries: Reuse vs. Recycle	58
Heat and Mass Transfer of Micropolar-Casson Nanofluid over Vertical Variable Stretching Riga Sheet	58
A New Approach to Optimal Location and Sizing of DSTATCOM in Radial Distribution Networks Using Bio-Inspired Cuckoo Search Algorithm	58
Assessment of Green Methanol Production Potential and Related Economic and Environmental Benefits: The Case of China	58
Current State and Future Prospects for Electrochemical Energy Storage and Conversion Systems	58
Waste Management and Prediction of Air Pollutants Using IoT and Machine Learning Approach	58
Prediction of Sorption Processes Using the Deep Learning Methods (Long Short-Term Memory)	58
Degradation of Lithium-Ion Batteries in an Electric Transport Complex	58
Assessing the Level of Energy and Climate Sustainability in the European Union Countries in the Context of the European Green Deal Strategy and Agenda 2030	57
Energy Savings Associated with the Use of Fly Ash and Nanoadditives in the Cement Composition	57
Significant Production of Thermal Energy in Partially Ionized Hyperbolic Tangent Material Based on Ternary Hybrid Nanomaterials	57
Effective Management of Energy Consumption during the COVID-19 Pandemic: The Role of ICT Solutions	57
Additive Manufacturing and Topology Optimization of Magnetic Materials for Electrical Machines—A Review	57
The Strategy of South Korea in the Global Oil Market	57
Design of an Optimized Thermal Management System for Li-Ion Batteries under Different Discharging Conditions	57
Zonal and Nodal Models of Energy Market in European Union	57
Towards Deep Decarbonisation of Energy-Intensive Industries: A Review of Current Status, Technologies and Policies	57
A Survey on Cybersecurity Challenges, Detection, and Mitigation Techniques for the Smart Grid	57
The Factorial-Reflexive Approach to Diagnosing the Executors’ and Contractors’ Attitude to Achieving the Objectives by Energy Supplying Companies	57
The Role of Environmental Regulations, Renewable Energy, and Energy Efficiency in Finding the Path to Green Economic Growth	56
Improvement of Strength Parameters of Cement Matrix with the Addition of Siliceous Fly Ash by Using Nanometric C-S-H Seeds	56
Hybrid Floating Solar Plant Designs: A Review	56
Zero-Emission Pathway for the Global Chemical and Petrochemical Sector	56
Ammonia Borane: An Extensively Studied, Though Not Yet Implemented, Hydrogen Carrier	56
A Modified ABC-SQP-Based Combined Approach for the Optimization of a Parallel Hybrid Electric Vehicle	56
Virtual Collection for Distributed Photovoltaic Data: Challenges, Methodologies, and Applications	56
Modeling the Dynamic Linkage between Renewable Energy Consumption, Globalization, and Environmental Degradation in South Korea: Does Technological Innovation Matter?	56
Life Cycle Costing Analysis: Tools and Applications for Determining Hydrogen Production Cost for Fuel Cell Vehicle Technology	56
Review of Energy Storage and Energy Management System Control Strategies in Microgrids	56
Cationic Dye Adsorption on Hydrochars of Winery and Citrus Juice Industries Residues: Performance, Mechanism, and Thermodynamics	56
Pretreatment of Animal Manure Biomass to Improve Biogas Production: A Review	56
Hydrogen Fuel Cell Road Vehicles and Their Infrastructure: An Option towards an Environmentally Friendly Energy Transition	56
Battery Thermal Management Systems: Current Status and Design Approach of Cooling Technologies	55
The Impact of Renewable Energy and Economic Complexity on Carbon Emissions in BRICS Countries under the EKC Scheme	55
Studying the Level of Sustainable Energy Development of the European Union Countries and Their Similarity Based on the Economic and Demographic Potential	55
People’s Attitude to Energy from Hydrogen—From the Point of View of Modern Energy Technologies and Social Responsibility	55
Pellet Production from Woody and Non-Woody Feedstocks: A Review on Biomass Quality Evaluation	55
Opportunities for the State-of-the-Art Production of LIB Electrodes—A Review	55
Review on the PV Hosting Capacity in Distribution Networks	55
Role of Non-Renewable Energy Efficiency and Renewable Energy in Driving Environmental Sustainability in India: Evidence from the Load Capacity Factor Hypothesis	54
An Overview of the Classification, Production and Utilization of Biofuels for Internal Combustion Engine Applications	54
Status and Evolution of the Community Energy Sector in Italy	54
Towards Non-Mechanical Hybrid Hydrogen Compression for Decentralized Hydrogen Facilities	54
The Role of Crypto Trading in the Economy, Renewable Energy Consumption and Ecological Degradation	54
Electric Mobility in a Smart City: European Overview	54
Temperature, Ageing and Thermal Management of Lithium-Ion Batteries	54
A Review on the Influence of CO2/Shale Interaction on Shale Properties: Implications of CCS in Shales	54
Transactive Energy Market for Energy Management in Microgrids: The Monash Microgrid Case Study	54
Efficient Wind Power Prediction Using Machine Learning Methods: A Comparative Study	53
Recent Developments and Challenges on AC Microgrids Fault Detection and Protection Systems–A Review	53
Edge Computing for IoT-Enabled Smart Grid: The Future of Energy	53
Critical Review of Intelligent Battery Systems: Challenges, Implementation, and Potential for Electric Vehicles	53
Evolution of the HVDC Link Connecting Offshore Wind Farms to Onshore Power Systems	53
Different Pyrolysis Process Conditions of South Asian Waste Coconut Shell and Characterization of Gas, Bio-Char, and Bio-Oil	53
Recursive State of Charge and State of Health Estimation Method for Lithium-Ion Batteries Based on Coulomb Counting and Open Circuit Voltage	53
Electricity Price Forecasting Based on Self-Adaptive Decomposition and Heterogeneous Ensemble Learning	53
Sustainable Development and Industry 4.0: A Bibliometric Analysis Identifying Key Scientific Problems of the Sustainable Industry 4.0	52
The Financial Development-Renewable Energy Consumption Nexus in the Case of Azerbaijan	52