The publishing and editorial teams would like to thank the following, for their invaluable service as 2021 reviewers for this journal. We are very grateful for the contributions made. With their help, the journal has been able to publish such high-quality articles:

• Abenayake, Chethika
• Abraham, Dulcy
• Abuzeinab, Amal
• Adey, Bryan Tyrone
• Ahmed, Syed
• Aibinu, Ajibade
• Aka, Adefemi
• Aletaiby, Abbas
• Ali, Mudassar
• Alinaitwe, Henry
• Allali, Belqias
• Amirkhani, Mehdi
• Amoah, Christopher
• Anandh, K. S
• Ansari, Ramin
• Anvuur, Aaron
• Appolloni, Andrea
• Arun, M.
• Asmone, Ashan
• Awuzie, Bankole
• Bahadorestani, Amir
• Bajracharya, Arun
• Belayutham, Sheila
• Brambilla, Andrea
• Brown, Kerry
• Burry, Mark
• Chan, Daniel
• Chan, Joseph
• Chang, Soowon
• Charkhakan, Mohammad Hadi
• Chawdhury, Sajal
• Che Ibrahim, Che Khairil Izam
• Chen, Le
• Chinyio, Ezekiel
• Chivata Cardenas, Ibsen
• Chowdhury, Sajal
• Cia, Genny
• Cooray, Shaleeni
• Crawford, Robert
• Crippa, Julianna
• Dahanayake, Kalani C.
• Daniel, Emmanuel
• Darko, Amos
• De Silva, Nayanthara
• Delhi, Venkata
• Devkar, Ganesh
• Dolla, Tharun
• Doloi, Hemanta
• Domingo, Niluka
• Donovan, Sally
• Dulaimi, Mohammed
• Edwards, David
• Ejeh, Christopher
• Emuze, Fidelis
• Formoso, Carlos
• Foth, Marcus
• Gajendran, Thayaparan
• Gambo, Nuru
• Gambo, Nuru
• Gao, Shang
• Ginige, Kanchana
• Gomis, Kasun
• Gonzalez Fuentes, Marcos
• Gunatilake, Sachie
• Gunawardena, Tharaka
• Gurmu, Argaw
• Gyoh, Louis
• Hadikusumo, Bonaventura
• Hadiwattege, Chandanie
• Hassane Assaad, Rayan
• Hayat, Ezri
• Heravi, Gholamreza
• Hiloidhari, Moonmoon
• Hon, Carol K. H.
• Idowu, Oluwafunmibi Seun
• Islam, Rezuana
• Ismail, Zul-Atfi
• Jafari, Amirhosein
• Jahren, Charles
• Javed, Arshad
• Jayalath, Chandana
• Jayasuriya, Sajani
• Jayawickrama, Thilini
• Jayawickrama, Thilini
• Jena, Pravat
• Jimoh, Ajayi
• Jin, Xiaohua
• Johari, Sparsh
• Kar, Santu
• Karunasena, Gayani
• Kavishe, Neema
• Ke, Yongjian
• Kermanshachi, Sharareh
• Khanmohammadi, Sadegh
• Khuzzan, Sharifah Mazlina
• Kibwami, Nathan
• Kim, Jeff
• Kimm, Geoff
• Kineber, Ahmed
• Kulatunga, Udayangani
• Kumaraswamy, Mohan
• Laing, Richard
• Laishram, Boeing
• Lam, Patrick
• Lema, Ninatubu
• Leviäkangas, Pekka
• Li, Jennifer
• Liaros, Steven
• Lingard, Helen
• Madhav, Nepal
• Mahesh, Gangadhar
• Mallawaarachchi, Harshini
• Manase, David
• Manewa, Anupa
• Manjula, Naiduwa Handi Chathuri
• Md, Deepak
• Mengistu, Desalegn
• Mengistu, Desalegn
• Mills, Grant
• Moghayedi, Alireza
• Mohanta, Ashaprava
• Morshedi, Mohammadali
• Mostafa, Sherif
• Moyo, Tirivavi
• Muleya, Franco
• Nadeem, Abid
• Ngowi, Alfred
• Noorzai, Esmatullah
• Nzekwe-Excel, Chinny
• Odeyinka, Henry
• Ogbonda, Uche
• Ohueri, Chukwuka
• Oke, Ayodeji
• Okoro, Chioma
• Oladokun, Michael
• Olanikpekun, Ayokunle
• Olanipekun, Ayokunle
• Olawumi, Timothy
• Olbina, Svetlana
• Oludolapo, Olanrewaju Ibrahim
• Omotayo, Temitope
• Oshodi, Olalekan
• Osunsanmi, Temidayo
• Oyebanji, Akanbi
• Oyegoke, Adekunle Sabitu
• Oyetunji, Abiodun
• Palaniappan, Sivakumar
• Palliyaguru, Roshani
• Pandit, Aniruddha Bhalchandra
• Panthi, Kamalesh
• Pellegrino, Roberta
• Perera, Kanchana
• Perera, Treshani
• Rahman, Md Motiar
• Raiden, Ani
• Ralegaonkar, Rahul
• Rao, Fujie
• Rohman, Mohammad
• Rohman, Mohammad
• Ross, Andrew
• Roumboutsos, Athena
• Roumboutsos, Athena
• Rwelamila, Pantaleo
• Ryńska, Elżbieta
• Saka, Abdullahi
• Samarasinghe, Don
• Samaraweera, Aparna
• Sandanayake, Malindu
• Senaratne, Sepani
• Seneviratne, Krisanthi
• Sepasgozar, Samad M. E.
• Shoar, Shahab
• Shooshtarian, Salman
• Simpeh, Eric
• Simpeh, Eric Kwame
• Sing, Michael
• Siriwardena, Mohan
• Siu, Ming Fung Francis
• Smyth, Hedley
• Sonson, Sylvester
• Sridarran, Pournima
• Ssegawa, Joseph
• Sun, Qian
• Suresh, Subashini
• Sutrisna, Monty
• Tang, Wenzhe
• Tay, Stephen
• Teo, Pauline
• Thayaparan, Menaha
• Tijani, Bashir
• Tokede, Olubukola
• Torp, Olav
• Tzortzopoulos, Patricia
• Udaya, Sathya
• Vahdatmanesh, Mohammad
• Vale E Azevedo, Alvaro
• Van Egmond, Emilia
• Van Krieken, Tony
• Victoria, Michele
• Vijay, Vandit
• Villalba-Romero, Felix
• Vilventhan, Aneetha
• Wadu Mesthrige, Jayantha
• Waidyasekara, K. G. A. S.
• Wang, George
• Wanigarathna, Nadeeshani
• Wedawatta, Gayan
• Weerasinghe, Gamini
• Weerasinghe, R. P. Nilmini
• Wijekoon, Christaline
• Wijewickrama, Chamitha
• Windapo, Abimbola
• Wong, Kelwin
• Xia, Bo
• Xu, Jing
• Xu, Ming
• Yahya, Khairulzan
• Yamany, Mohamed
• Yang, Rebecca
• Yevu, Sitsofe
• Yiu, Nicole S. N.
• Yoon, Yoojung
• Zarei, Hamzeh
• Zhang, Wenjing
• Zhenan, Feng
• Zin Zawawi, Muhammad
• Zolghadr, Ali
• Zuofa, Tarila