The International Energy Journal (IEJ) sincerely expresses gratitude to the following individuals who took time to review papers submitted to the journal. Without their patience, Volume 21 (Issues 1-4) 2021 of IEJ would not have been possible. A | Asst. Prof. Dr. Sundaramahalingam A., Bannari Amman Institute of Technology, Tamilnadu, India | Asst. Prof. Dr. Rajesh H. Acharya, National Institute of Technology Karnataka, Karnataka, India | Assoc. Prof. Dr. Tsuyoshi Adachi, Akita University, Akita, Japan | Dr. Dendy Adanta, Universitas Sriwijaya, Palembang, Indonesia | Prof. Sushil Adhikary, Auburn University, Alabama, USA | Dr. Soraida Aguilar, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil | Dr. Ejaz Ahmad, Indian Institute of Technology Delhi, New Delhi, India | Dr. Patrick Udemeobong Akpan, University of Cape Town, South Africa | Assoc. Prof. Dr. Hafiz Muhammad Ali, University of Engineering and Technology, Taxila, Pakistan | Asst. Prof. Andrew Adewale Alola, Istanbul Gelisim University, Istanbul, Turkey | Asst. Prof. Dr. Ayman Al-Quraan, Yarmouk University, Irbid, Jordan | Assoc. Prof. Dr. Gabrial Anandarajah, University College London, London, United Kingdom | Dr. Rohail Asghar, UET Lahore, Lahore, Pakistan | Asst. Prof. Dr. Kriengkrai Assawamartbunlue, Kasetsart University, Bangkok, Thailand | Prof. Dr. Rahula Attalage, Sri Lanka Institute of Information Technology, Colombo, Sri Lanka | Dr. Olabanji Benjamin Awodumi, Nigerian Institute of Social and Economic Research, Nigeria | | B | Assoc. Prof. Dr. Subathra Balasubramanian, Kalasalingam University, Krishnan Koil, India | Assoc. Prof. Saravanan Balusamy, Indian Institute of Technology Hyderabad, Telangana, India | Asst. Prof. Farheen Bano, Dr. A.P.J. Abdul Kalam Technical University, Lucknow, India | Prof. Tajuddin Bantacut, Bogor Agricultural University, Bogor, Indonesia | Prof. Ahmed M.R. El Baz, The British University in Egypt, Cairo, Egypt | Prof. Nir Becker, Tel-Hai College, Tel Hai, Israel | Prof. Hussain Ali Bekhet, Universiti Tenaga Nasional, Kajang, Malaysia | | C | Asst. Prof. Dr. Jyoti Prasad Chakraborty, Indian Institute of Technology (Banaras Hindu University), Varanasi, India | Ir. Prof. Christopher Y.H. Chao, The University of Hong Kong, Hong Kong | Asst. Prof. Dr. Sassima Charoenkit, Naresuan University, Phitsanulok, Thailand | Asst. Prof. Biswapriya Chatterjee, Aliah University, Kolkata, India | Dr. Priyanka Chaudhary, Delhi Technological University, Delhi, India | Dr. Qicheng Chen, Northeast Electric Power University, Jilin, China | Prof. Dr. Wei-Hsin Chen, National Cheng Kung University, Tainan, Taiwan | Dr. Yoke Wang Cheng, Universiti Teknologi PETRONAS, Perak, Malaysia | Assoc. Prof. Dr. Maksym G. Chepeliev, Purdue University, Indiana, United States | Assoc. Prof. Ir. Dr. Wen-Tong Chong, University of Malaya, Kuala Lumpur, Malaysia | Dr. Goncal Costa, La Salle Ramon Llull University, Barcelona, Spain | | D | Dr. Saifon Daungkaew, Schlumberger, Bangkok, Thailand | Dr. Prakash N.K. Deenapanray, Université des Mascareignes, Mauritius | Prof. Dr. D. Devaraj, Kalasalingam Academy of Research and Education, Krishanankoil, India | Prof. Shobhakar Dhakal, Asian Institute of Technology, Pathumthani, Thailand | Dr. Fenghui Dong, Tongji University, Shanghai, China | Assoc. Prof. Dr. Hongbo Duan, University of Chinese Academy of Sciences, Beijing, China | Prof. Animesh Dutta, University of Guelph, Ontario, Canada | | E | Prof. Dr. Volkan Ş. Ediger, Kadir Has University, Istanbul, Turkey | | F | Dr. Zeyu Fan, Chongqing University, Chongqing, China | Prof. Dr. J.P. Brito Filho, Universidade Federal de Pernambuco, Recife, Brazil | Assoc. Prof. Dr. Ines Flores-Colen, University of Lisbon, Lisbon, Portugal | Dr. Mary Ann Joy Quirapas Franco, National University of Singapore, Singapore | | Assoc. Prof. Dr. Suneerat Fukuda, JGSEE - King Mongkut’s University of Technology Thonburi, Thonburi, Thailand | Assoc. Prof. Dr. Bundit Fungtammasan, JGSEE - King Mongkut’s University of Technology Thonburi, Thonburi, Thailand | | G | Prof. Enedir Ghisi, Universidade Campus Reitor João David Ferreira Lima, Florianópolis, Brazil | Dr. Zitti Gianluca, Universita Politecnica delle Marche, Ancona, Italy | Assoc. Prof. Dr. Yun Ii Go, Heriot-Watt University, Putrajaya, Malaysia | Dr. Saswata Goswami, Center for Innovative and Applied Bioprocessing, Punjab, India | Assoc. Prof. Dr. Gyula Grof, Budapest University of Technology and Economics, Budapest, Hungary | Prof. Dr. V. Nagesh Kumar Gundavarapu, GITAM University, Andra Pradesh, India | Dr. Sachin Gupta, Sardar Patel Renewable Energy Research Institute, Gujarat, India | Dr. Samuel Gyamfi, University of Energy and Natural Resources (UENR), Sunyani, Ghana | | H | Dr. Assed N. Haddad, Universidade Federal Fluminense, Rio de Janeiro, Brazil | Assoc. Prof. Dr. Md. Hasanuzzaman, University of Malaya, Kuala Lumpur, Malaysia | Dr. Muhammad Hassan, National University of Sciences and Technology (NUST), Islamabad, Pakistan | Dr. Sunanda Hazra, Central Institute of Plastics Engineering and Technology, West Bengal, India | Dr. Kanda Hideki, Nagoya University, Nagoya, Japan | Prof. Wei-Chiang Hong, Oriental Institute of Technology, New Taipei, Taiwan | Dr. M. Ayub Hossain, Bangladesh Agricultural Research Institute, Jamalpur, Bangladesh | Prof. Xun Hu, University of Jinan, Jinan, China | Dr. Wanjun Huang, The University of Hong Kong, Hong Kong | | I | Dr. Mudasser Inayat, Universiti Teknologi Petronas, Perak Darul Ridzuan, Malaysia | Dr. Rotchana Intharathirat, Ministry of Natural Resources and Environment, Thailand | Prof. Fabio Inzoli, Politecnico di Milano, Milan, Italy | | J | Asst. Prof. Dr. Mehdi Jahangiri, Islamic Azad University, Shahrekord, Iran | Asst. Prof. Dr. Taskin Jamal, Murdoch University, Western Australia, Australia | Prof. Dr. Serm Janjai, Silpakorn University, Nakhon Pathom, Thailand | Dr. Ajaz Bashir Janjua, Heavy Mechanical Complex Ltd., Taxila, Pakistan | Asst. Prof. Dr. Kitipong Jaojaruek, Kasetsart University Kamphaeng Saen, Kamphaeng Saen, Thailand | Prof. Ma Jie, University of Electronic Science and Technology of China, Sichuan, China | Asst. Prof. Warangkana Jutidamrongphan, Prince of Songkhla University, Hat Yai, Thailand | | K | Dr. Marat Karatayev, University of Nottingham, Nottingham, United Kingdom | Assoc. Prof. Dr. Md. Anwarul Karim, University of Rajshahi, Rajshahi, Bangladesh | Asst. Prof. Dr. Thosapon Katejanekarn, Silpakorn University, Nakhon Pathom, Thailand | Assoc. Prof. Dr. Priyanka Kaushal, Indian Institute of Technology Delhi, New Delhi, India | Dr. Fahad Khalid, University of International Business & Economics, Beijing, China | Asst. Prof. Florence G. Kiburi, Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya | Dr. Jeffrey Kouton, Ecole Nationale Superiure de Statistique et d'Economic Appliquee (ENSEA), Abidjan, Cote d'Ivoire | Asst. Prof. Dr. Vijayakumar Krishnasamy, Indian Institute of Information Technology Design and Manufacturing (IIITDM), Kancheepuram, India | Prof. S. Kumar, Asian Institute of Technology, Pathumthani, Thailand | Assoc. Prof. Dr. Raj Kumar, Shoolini University, Solan, India | | L | Dr. Hoang Phong Le, University of Economics, Ho Chi Minh City, Vietnam | Prof. Jun Li , Chongqing University, Chongqing, China | Dr. Zhao-Peng Li, Xi'an Jiaotong University, Xi'an, China | Assoc. Prof. Dr. Bundit Limmechokchai, Thammasat University, Pathumthani, Thailand | Dr. Pavel Loskot, Swansea University, Swansea, United Kingdom | Assoc. Prof. Dr. Jau Huai Lu, National Chung-Hsing University, Taichung, Taiwan | | M | Dr. Ojiambo N. Malala, Akita University, Akita, Japan | Dr. N.T. Mbungu, University of Pretoria Hatfield, Pretoria, South Africa | Dr. Ornicha Meangbua, Thammasat University, Bangkok, Thailand | Asst. Prof. Hassan Mehrjerdi, Qatar University, Doha, Qatar | Prof. Saad Mekhilef, University of Malaya, Kuala Lumpur, Malaysia | Dr. Ekundayo P. Mesagan, Pan Atlantic University, Lagos, Nigeria | Prof. Francesco Minichiello, University of Napoli, Napoli, Italy | Asst. Prof. Dr. Prabhat Ranjan Mishra, MATS University, Raipur, India | Assoc. Prof. Dr. Vinod Mishra, Monash University, Victoria, Australia | Assoc. Prof. M.H. Mohamed, Helwan University, Cairo, Egypt | Dr. Wan Mariam Wan Muda, University Malaysia Terengganu, Terengganu, Malaysia | Dr. Gamuchirai Mutezo, University of the Witwatersrand, Johannesburg, South Africa | | N | Dr. Vipin Nair, Sardar Vallabhbhai National Institute of Technology, Gujarat, India | Prof. Dr. João C. do L. Neto, Federal University of Para, Belém, Brazil | Dr. Kate-Natee Noipin, PTT Company Limited, Bangkok, Thailand | Dr. Nima Norouzi, Amirkabir University, Tehran, Iran | | O | Prof. Weerakorn Ongsakul, Asian Institute of Technology, Pathumthani, Thailand | Prof. Ilhan Ozturk, Cag University, Mersin, Turkey | | P | Prof. Luisa Pagnini, University of Genoa, Genoa, Italy | Dr. Arkom Palamanit, Prince of Songkla University, Songkhla, Thailand | Prof. Steven Parker, RMIT University, Melbourne, Australia | Prof. Dr. Mohd Parvez, Al-Falah University, Faridabad, India | Asst. Prof. Dr. Younus Pasha, JSS Academy of Technical Education, Bangalore, India | Dr. Vivek Kumar Patel, MNNIT Allahabad, Prayagraj, India | Assoc. Prof. Dr. Mario R. Arrieta Patermina, National Autonomous University of Mexico, Mexico City, Mexico | Dr. Vu Minh Phap, Vietnam Academy of Science and Technology, Hanoi, Vietnam | Asst. Prof. Dr. Aumnad Phdungsilp, Dhurakij Pundit University, Bangkok, Thailand | Prof. Dr. Govind Raj Pokharel, Institute for Integrated Development Studies, Kathmandu, Nepal | Prof. Fabio Polonara, Università Politecnica delle Marche, Ancona, Italy | Asst. Prof. Dr. Boonrit Prasertkaew, Rajamangala University of Technology Thanyaburi, Pathumthani, Thailand | | Q | Assoc. Prof. Vuong Dang Quoc, Hanoi University of Science and Technology (HUST), Hanoi, Thailand | | R | Dr. Kiyarash Rahbar, University of Birmingham, Birmingham, United Kingdom | Assoc. Prof. Dr. Desikan Ramesh, Tamil Nadu Agricultural University, Tamil Nadu, India | Assoc. Prof. Dr. Shafiqur Rehman, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia | Assoc. Prof. Dr. M. Rizwan, Delhi Technological University, Delhi, India | Prof. G.P. Romano, University La Sapienza, Rome, Italy | Prof. Ing. Maurizio Rosso, Politecnico di Torino, Turin, Italy | Prof. Joyashree Roy, Asian Institute of Technology, Pathumthani, Thailand | | S | Dr. Amir Sagharichi, Ferdowsi University of Mashhad, Mashhad, Islamic Republic of Iran | Dr. Peerawat Saisirirat, National Science and Technology Development Agency (NSTDA), Pathum Thani, Thailand | Asst. Prof. Dr. V.P. Sakthivel, Annamalai University, Tamil Nadu, India | Prof. P. Abdul Salam, Asian Institute of Technology, Pathumthani, Thailand | Mr. Lalith Samaliarachchi, Open University of Sri Lanka, Nuggoda, Sri Lanka | Dr. Wayan G. Santika, Murdoch University, Western Australia, Australia | Dr. Nur Surayya Mohd Saudi, National Defence University of Malaysia (NDUM), Kuala Lumpur, Malaysia | Assoc. Prof. Dr. Jeyraj a/l Selvaraj, University of Malaya, Kuala Lumpur, Malaysia | Assoc. Prof. Dr. Saeed Seyedtabaii, Shahed University, Tehran, Iran | Dr. Jai Govind Singh, Asian Institute of Technology, Pathumthani, Thailand | Dr. Pradeep Singh, Malaviya National Institute of Technology, Jaipur, India | Asst. Prof. Dr. Rhythm Singh, Indian Institute of Technology Roorkee, Roorkee, India | Asst. Prof. Dr. Arthit Sode-Yome, Electricity Generating Authority of Thailand (EGAT), Thailand | Dr. Salah Soued, Universite de Technologie de Belfort-Montbeliard (UTBM), Belfort Cedex, France | Assoc. Prof. Dr. Polona Sprajc, University of Maribor, Kranj, Slovenia | Dr. Sasidharan Sreedharan, MES College of Engineering Kuttippuram, Kerala, India | Dr. G. Srinivasan, Indian Institute of Technology Guwahati, Assam, India | Asst. Prof. Dr. Naruebodee Srisang, King Mongkut's Institute of Technology Ladkrabang - Prince of Chumphon Campus, Chumphon, Thailand | Prof. Vassilis N. Stathopoulos, National and Kapodistrian University of Athens, Evia, Greece | Asst. Prof. Dr. K. Sudhakar, Maulana Azad National Institute of Technology, Bhopal, India | Dr. Geraint L. Sullivan, Swansea University, Swansea, United Kingdom | | T | Ms. Chiang-Ching Tan, University College of Technology Sarawak (UCTS), Sarawak, Malaysia | Asst. Prof. Zinat Tasneem, Rajshahi University of Engineering & Technology, Rajshahi, Bangladesh | Asst. Prof. Kuaanan Techato, Prince of Songkhla University, Hat Yai, Thailand | Assoc. Prof. Dr. Warunee Tia, King Mongkut’s University of Technology Thonburi, Bangkok, Thailand | Assoc. Prof. Dr. Yodchai Tiaple, Kasetsart University Sriracha Campus, ChonBuri, Thailand | Dr. Suthee Traivivatana, Chulalongkorn University, Bangkok, Thailand | Prof. Dr. Wen-Tien Tsai, National Pingtung University of Science and Technology, Pingtung, Taiwan | | U | Dr. Md. Kamal Uddin, Metropolitan University, Sylhet, Bangladesh | Asst. Prof. Dr. Kafait Ullah, National University of Science and Technology (NUST), Islamabad, Pakistan | | V | Assoc. Prof. Dr. Chandraprabu Venkatachalam, Adama Science & Technology University, Adama, Ethiopia | Dr. Madan L. Verma, Indian Institute of Information Technology Una, Una, India | Prof. Gustavo Nakamura Alves Vieira, Sao Paulo State University (UNESP), Araraquara, Brazil | Dr. Jegadeesan Vishnupriyan, Thiagarajar College of Engineering, Madurai, India | Dr. Supawat Vivanpatarakij, Chulalongkorn University, Bangkok, Thailand | | W | Asst. Prof. Dr. Wipawadee Wongsuwan, Thai-Nichi Institute of Technology, Bangkok, Thailand | Prof. Somchai Wongwises, King Mongkut's University of Technology, Thonburi, Thailand | | X | Dr. He-Yong Xu, Northwestern Polytechnical University, Xi'an, China | Dr. Leilei Xu, Lund University, Lund, Sweden | | Y | Dr. Bholu Yadav, CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Maharashtra, India | Dr. Saglam Yigit, Victoria University of Wellington, Wellington, New Zealand | | Z | Dr. Hossain M. Zabed, Jiangsu University, Jiangsu, China | Prof. Tamer Zaki, Egyptian Petroleum Research Institute, Cairo, Egypt | Dr. Mohanna Zarei, University of Kurdistan, Sanandaj, Iran | Assoc. Prof. Guoxing Zhang, Lanzhou University, Lanzhou, China | Prof. Qingwei Zhang, Anyang Normal University, Anyang, China | Dr. Xiaoqin Zhi, Zhejiang University, Hangzhou, China | Dr. Chaoqun Zhuang, Chongqing University, Chongqing, China |
|