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:

• Ab Rahman, Asmak
• Abbas, Syed
• Abd Hamid, Hamizah
• Abdallah, Zainab
• Abdelkareem, Reda
• Abdelnaeim, Shrouk
• Abdennadher, Sarhan
• Abdullah, Muhammad Ibrahim
• Abdulrab, Mohammed
• Abdurazzakova, Dilnovoz
• Abu Bakar, Raida
• Abubakar, Yazid
• Adam, Sabrinah
• Adams, Stephen B.
• Adebusuyi, Adeola
• Adeinat, Iman
• Adekiya, Adewale
• Adel, Heba Mohamed
• Adelaja, Ayotunde
• Adeniyi, Adeshina
• Adesola, Sola
• Adiguna, Rocky
• Adima, Julius
• Adom, Alex
• Afshan, Gul
• Agarwal, Sucheta
• Agbi, Babatunde
• Aghaei, Iman
• Agredo Diaz, Martha
• Ahmad, Shabir
• Ahmed, Yimer
• Ajah, Emmanuel
• Ajide, Folorunsho
• Ajike, Emmanuel
• Akinbinu, Bolarinde
• Akinboade, Olu
• Akintimehin, Olamide
• Akolgo, Isaac
• Akpabli, Dasmon
• Al Mubarak, Muneer
• Al-Awlaqi, Mohammed
• Al-Hakimi, Mohammed
• Al-Mamary, Yaser
• Al-Shami, Samer
• Al-Tekreeti, Tabarek Frand
• Aladejebi, Olufemi
• Alam, Muhammad Zubair
• Aldairany, Shaza
• Aldawod, Alvin
• Alemán De La Garza, Lorena Yadira
• Alfarhan, Usamah
• Ali, Muhammad
• Ali, Shujahat
• Aliyu, Hamza
• Aloulou, Wassim
• Amadi-Echendu, Anthea
• Amin, Muhammad
• Anambane, Golda
• Andersén, Jim
• Andrei, Jean
• Anggadwita, Grisna
• Anthony Sebastian, Irudaya
• Anwar Ul Haq, Muhammad
• Apostu, Simona Andreea
• Apriliyanti, Indri
• Arango-Botero, Diana
• Arkorful, Helen
• Arroyabe, Marta
• Arshad, Darwina
• Arun, Korhan
• Arun, Korhan
• Astuti, Rifelly
• Atlas, Fouzia  
• Ayeni, Adebanji
• Ayodele, Timothy
• Ayup-Gonzalez, Jannett
• Azizi, Mohammad
• Baidoun, Samir
• Baig, Sajjad
• Balomenou, Chrysanthi
• Banerjee, Arnab
• Banu, Jasmine
• Barwinski, Roman
• Bate, Adisu Fanta
• Beninger, Stefanie
• Berisha, Gentrit
• Beydoun, Abdul Rahman
• Bhatt, Alka
• Bhattarai, Charan
• Bilal, Bilal
• Bin Ab Aziz, Kamarulzaman
• Biswas, Abhijeet
• Blažková, Ivana
• Bogatyreva, Karina
• Boohene, Rosemond
• Borchardt, Miriam
• Borgia, Daniel
• Borini, Felipe
• Borrero, Manuel Antonio
• Brandão Fischer, Bruno
• Branicki, Layla Jayne
• Bravo Monge, Cris
• Brzozowski, Jan
• Bugaje, Idris
• Caesar, Livingstone
• Cai, Yahua
• Calderón-Martínez, Guadalupe
• Carneiro-Da-Cunha, Julio
• Castaneda, Delio Ignacio
• Cavalheiro, Gabriel
• Chen, Yun
• Chowdhury, Farzana
• Cieslik, Andrzej
• Cieślik, Jerzy
• Cinar, E. Mine
• Correa, Victor
• Cotta De Mello, Renato
• Cullen, Ufi
• Cullen, Ufuk Alpsahin
• Cuyegkeng, Ma. Assunta
• Czechowska, Iwona
• D'angelo, Marcia Juliana
• Dai, Shuanping
• Dai, Weiqi
• Dana, Leo Paul
• Danho, Ekoua Jose-Maria
• Danquah, Edmund
• Dantsoho, Mohammed
• Darmawan, Baziedy Aditya
• Dawar, Gaurav
• Deku, Wisdom
• Demirdag, İsmail
• Dhiraj, A.
• Diehl, Carlos
• Dourado Freire, Clarissa
• Durst, Susanne
• Edigbo, Anthony
• Edvardsson, Ingi Runar
• Ehikioya, Benjamin
• Eid, Walid
• El Chaarani, Hani
• El-Abiad, Zouhour
• Elamin, Obbey
• Elliott, Karen
• Erokhin, Vasily
• Ezeh, Precious
• Feranita, Feranita
• Fernandes, Bernardo
• Fernandez De Arroyabe, Juan Carlos
• Ferreira, Caitlin Candice
• Ferreira, João J. M.
• Figueiredo, Elisa
• Games, Donard
• García-Rodríguez, Francisco J.
• Garçon, Márcia
• Gaur, Jitendra
• Gaweł, Aleksandra
• Gera, Navneet
• Głodowska, Agnieszka
• Godswill Agu, Agu
• Goel, Akanksha
• Golik, Jakub
• Goswam, Anil Kumar
• Gowreesunkar, Vanessa
• Gyimah, Prince
• Halaç, Umut
• Halkias, Daphne
• Hamdan, Allam
• Hammad, Rasha
• Hassan Gorondutse, Abdullahi
• Henao García, Edwin Alexander
• Hendratmi, Achsania
• Heshmati, Saeed
• Heshmati, Saeed
• Heydari, Mohammad
• Hilal, Omnia
• Hiremath, Suvarna
• Hizam-Hanafiah, Mohd
• Hysa, Eglantina
• Ibidunni, Ayodotun Stephen
• Iddy, Judith Jacob
• Ince Yenilmez, Meltem
• Isaga, Nsubili
• Ismail, Ismail
• Ivascu, Larisa
• Jneid, Cherine
• Jones, Paul
• Joseph, George
• Joshi, Gaurav
• Joshi, Manoj
• Juma, Norma
• Kachkar, Omar
• Kakava, Nicholas
• Kala, Devkant
• Kallal, Rahim
• Karsai, Judit
• Kasema, Romain
• Kassa, Afework Getachew
• Katono, Isaac 
• Kaur, Jaspreet
• Kerr, Eric
• Khalil, Muhammad
• Khan, Mukaram
• Khan, Syed Abdul Rehman
• Khurshid, Nabila
• Kim, Young
• Kirihata, Tetsuya
• Koggalage, Ravindra
• Kruja, Alba
• Kuckreja, Jogeshwar
• Kucukaltan, Berk
• Kumar, Rakesh
• Kumarasinghe, Janak
• Kumari, J. A. Prasansha
• Kwakwa, Paul
• Lahikainen, Katja
• László, Vasa
• Latif, Shahid
• Le, Phong
• Li, Cai
• Li, Jun
• Li, Lee
• Liao, Mingqing
• Ling, Li
• Llanos Contreras, Orlando
• Loganathan, Muralidharan
• Long, Dan
• Lonkani, Ravi
• Lukito-Budi, Andy Susilo
• Luseno, Tracy
• Madhavan, Sajiv
• Maduku, Harris
• Madzikanda, Beverlley
• Mahmoud, Mahmoud
• Mahmutaj, Lura Rexhepi
• Mahrous, Abeer
• Makhloufi, Lahcene
• Malik, Kunjana
• Mamun, Abdullah Al
• Manoko, Obareng
• Manyati, Tarisai
• Margherita, Alessandro
• Mariyono, Joko
• Martins, Albert
• Mehdi, Syed
• Mehrotra, Sonia
• Mehta, Kiran
• Melo, Pedro Lucas De Resende
• Mensah, Isaac
• Menzel, Andreas
• Minatogawa, Vinicius
• Mishra, Oly
• Mittal, Vibhuti
• Mkalama, Benedict
• Mohammad, Haruna
• Mohammadi, Saeed
• Montiel, Hector
• Montiel, Oscar
• Moraes, Gustavo
• Moreno-Gómez, Jorge
• Muhammad, Ali
• Mukerji, Maitrayee
• Mukul, Kumar
• Mumi, Atthaphon
• Mungila Hillemane, Bala Subrahmanya
• Munir, Hina
• Murad, Majid
• Mustafa, Michael
• Nascimento, Leandro
• Nasution, Reza
• Nazam, Muhammad
• Ngugi, Caroline N.
• Nguyen, Cuong
• Nkamnebe, Anayo D.
• Nkote, Isaac
• Nouri, Pouria
• Nowak-Mizgalska, Hanna
• Nur Hasanah, Yulia
• Nuta, Florian
• Ogbari, Mercy
• Olomi, Donath
• Ortiz-De-Urbina-Criado, Marta
• Osorio, Fabian
• Outla, Adil
• Padovez-Cualheta, Luciana
• Pamplona Da Costa, Janaina
• Pangarso, Astadi
• Paray, Zahoor
• Parra, Juan
• Pauli, Urban
• Pelly, Robert Duncan
• Peña, Nieves Arranz
• Pereira, Rafael
• Pinheiro, Gabriela
• Pitafi, Adnan
• Poblete Cazenave, Carlos
• Polas, Mohammad Rashed Hasan
• Portuguez Castro, May
• Potluri, Seema
• Prah, David
• Pratono, Aluisius
• Prialé, María Angela
• Purbasari, Ratih
• Purc, Ewelina
• Purnomo, Margo
• Pylak, Korneliusz
• Quagrainie, Fanny
• Quelhas, Osvaldo
• Qureshi, Jawaid
• Rahmanian Koshkaki, Emadeddin
• Rai, Ravi
• Raju G, Satheesh
• Ramadani, Veland
• Ramesh, Kuruva
• Ramirez-Urquidy, Martin
• Ramos, Hazel
• Ramzan, Sidra
• Rashed, Ahmed
• Ratsimanetrimanana, Fenosoa
• Ratten, Vanessa
• Ravi, Anju
• Rees, Gareth
• Reyes, Charisse
• Rizvi, Syeda Rida
• Roy, Raj
• Ruban, Dmitry
• Saiyed, Abrar
• Salamzadeh, Aidin
• Salamzadeh, Yashar
• Saleem, Irfan
• Salehi, Mahdi
• Salisu, Isyaku
• Samanta, Pradeepta
• Sameer, Sanjeet
• Sanguinet, Eduardo
• Sansone, Giuliano
• Santos, Leandro
• Saqib, Natasha
• Sarango, Paul
• Savian, Fernando
• Savitha, B.
• Shagirbasha, Shameem
• Sharma, Renuka
• Sharma, Sarika
• Sharma, Shalaghya
• Shastri, Shruti
• Shatila, Khodor
• Sheoran, Monika
• Sibiri, Hagan
• Silva, André Luís
• Sima, Violeta
• Singh, Kh. Devananda
• Singh, Lata
• Singla, Harish
• Škrinjarić, Bruno
• Solesvik, Marina
• Sood, Sarita
• Sörensson, Anna
• Sreenu, Nenavath
• Srhoj, Stjepan
• Sroka, Włodzimierz
• Steinbruch, Fernanda
• Subrahmanya, M. H. Bala
• Sulphey, M.
• Susanto, Perengki
• Szulczewska-Remi, Aleksandra
• Taft, Trevor
• Tang, Meirun
• Tang, Mingfeng
• Tarko Kassa, Erstu
• Tümer, Mustafa
• Tundui, Charles
• Tworek, Katarzyna
• Uleanya, Chinaza
• Umar, Muhammad
• Urban, Boris
• Uslu, Osman
• Usman, Bushra
• Valarmathi, Sharon
• Valliere, Dave
• Van Der Sterren, Jos
• Vasco, Cristian
• Velez-Ocampo, Juan
• Villaseca Morales, David
• Villegas-Mateos, Allan
• Voica, Marian
• Wadichar, Rahul
• Wang, Wei
• Weiwei, Huo
• Widianto, Sunu
• Widjojo, Handyanto
• Widodo, Widodo
• Yacoub, Laurent
• Yendaw, Elijah
• Zarei, Hamid
• Ziemiański, Paweł
• Zohoorian Nadali, Iman
• Żur, Agnieszka
• Zygmunt, Aleksandra