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:
| Abdul Halim, Md. |
| Abdul Hamid, Baharom |
| Adeleye, Bosede Ngozi |
| Agyapong, Elvis |
| Aidoo, Mohammed |
| Ajide, Folorunsho |
| Al-Nasser Mohammed, Sulaiman Abdullah Saif |
| Alaeddin, Omar |
| Alatassi, Bchr |
| Alford, Duncan |
| Ali, Mohammed |
| Ameer, Rashid |
| Annuar, Hairul Azlan |
| Azmeh, Chadi |
| Battisti, Enrico |
| Becker, Michael |
| Bidabad, Bijan |
| Birindelli, Giuliana |
| Borgi, Hela |
| Braga, Maria Debora |
| Brophy, Richard |
| Cash, Daniel |
| Chan, Kam |
| Chong, Gin |
| Coffie, William |
| Defung, Felisitas |
| Diaz-Rainey, Ivan |
| Doku, Isaac |
| Dostov, Viktor |
| Duran, Randall |
| Dzeha, Gloria |
| Ekwueme, Ejike |
| ElKelish, Walaa |
| Falker , Marie-Christin |
| Ferrari, Alessandra |
| Ferretti, Paola |
| Forson, Joseph |
| Gabbi, Giampaolo |
| Ghardallou, wafa |
| Ghosh, Protap |
| Ghosh, Sudip |
| Gorshunov, Mikhail |
| Goswami, Anju |
| Gregoriou, Andros |
| Grima, Simon |
| Gulati, Rachita |
| Haynes, Andrew |
| Huang, Sherena |
| Hudson, Robert |
| Huettinger, Maik |
| Iannuzzi, Antonia Patrizia |
| Issahaku, Haruna |
| Jaffar, Kalsoom |
| Juca, Michele |
| Kapoor, Samriti |
| Karikari, Nana Kwasi |
| Khan, Shabeer |
| Khan, Shahid |
| Kinander, Morten |
| Kurum, Esman |
| Kwok, Benny K B |
| Lai, Li-Tzu |
| Liao, Minchao |
| Lokanan, Mark |
| Loulou-Baklouti, Salma |
| Lui, Alison |
| Maitre-Avril, Kaluwa |
| Marfatia, Hardik A. |
| Marqués, José Manuel |
| Mekpor, Emmanuel |
| Mensah, Isaac |
| Mia, Md Aslam |
| Miguel Angel, Miguel Angel |
| Miller, Stephen |
| Mochkabadi, Kazem |
| Mohamed Metwally, Abdelmoneim |
| Mugarura, Norman |
| Muhammad, Tijjani |
| Muriu, Peter |
| Musile Tanzi, Paola |
| Ncibi, Kaies |
| Ng, Artie |
| Ntayi, Joseph |
| Obasi, Ogochukwu |
| Ofori-Sasu, Daniel |
| Ofori-Sasu, Daniel |
| Omeke, Michael |
| Onay, Ceylan |
| Ozili, Peterson |
| Pacini , Carl |
| Paetzmann, Karsten |
| Pakravan, Karim |
| Parmeggiani, Federico |
| Rahrovi Dastjerdi, Alireza |
| Ridyard, Richard |
| Rusconi, Rob |
| Sabry, Faten |
| Sai, Rockson |
| Salehi, Mahdi |
| Sarpong-Kumankoma, Emmanuel |
| Shah, Syed Alamdar Ali |
| Shalimova, Maria |
| Shust, Pavel |
| Siddika, Aysa |
| Song, Ruixiang |
| Srbinoski, Bojan |
| Stanton, Keith |
| Subramanian, Ramesh |
| Sudrajad, Oktofa |
| Syed, Aamir |
| Thomä, Jakob |
| Thomas, R. Guy |
| Ullah, Saif |
| Voghouei, Hatra |
| Williams, Jon |
| Wong, Ben KF |
| Yahaya, Adamu |
| Younus, Mehak |
| Zepeda, Rodrigo |
| Zeqiraj, Veton |
| Zimková, Emília |