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:
- Abdessamed, Nouha
- Abdul Hay, Dima
- Abdullah, Hasan Oudah
- Abdullatif, Modar
- Acheampong, Timothy Yaw
- Adetunji, Olufemi
- Adibian, Mohammad Sadegh
- Akpinar, Hatice
- Akpinar, Murat
- Al Qur'an, Marwan
- Al-Weshah, Ghazi
- Alareeni, Bahaaeddin
- Alegre, Joaquin
- Alshater, Muneer
- Ambastha, Ajitabh
- Anwar, Syed
- Asrunputri, Aisyah Pia
- Atayah, Osama
- Austin, Ian Patrick
- Awwad, Bahaa
- Aziz, Dr Osama
- Azouzi, Mohamed Ali
- Badriyah, Mila
- Bakator, Mihalj
- Baporikar, Neeta
- Baumann, Chris
- Belyaeva, Zhanna
- Benegas, Gladys
- Bhullar, Pritpal
- Bittencourt, Bruno
- Bochniarz, Zbigniew
- Bochniarz, Zbigniew
- Boix, Rafael
- Bojnec, Štefan
- Broccardo, Laura
- Capone, Francesco
- Cavallo, Angelo
- Charag, Asif
- Chatzinikolaou, Dimos
- Chiralaksanakul, Anukal
- Chouaibi, Jamel
- Choudhary, Aparna
- Ćoćkalo, Dragan
- Cordova., Miguel
- Cuomo, Maria Teresa
- D'amato, Antonio
- Dalwai, Tamanna
- Das, Arindam
- Das, Khanindra
- De Castro Garcia, Renato
- De Los Reyes, Gaston
- De Noni, Ivan
- De Raemy, Basile
- De Tommaso, Silvia
- Deshmukh, S G
- Dey, Ajoy
- Dhiaf, Mohamed
- Diez-Vial, Isabel
- Do, Thanh Tung
- Duhamel, Francois
- El Khoury, Rim
- Enwushe, Buque Kelvin
- Erickson, G. Scott
- Febransyah, Ade
- Fentaw, Tesfaye
- Ferraris, Alberto
- Galati, Antonino
- Galvão, Anderson
- García Gamez, Sofía
- Ghauri, Shahid
- Giudici, Giancarlo
- Goni, Joklan
- Gounopoulos, Dimitrios
- Guercini, Simone
- Halme, Juha
- Harb, Etienne
- Hatane, Saarce Elsye
- Hervas-Oliver, Jose-Luis
- Hidalgo , Cesar
- Hodges, Hart
- Huo, Da
- Iaia, Lea
- Innocenti, Niccolò
- Jámbor, Attila
- Jankowska, Barbara
- Jayakumar, Tulsi
- Jonath, Arthur
- Jung, Young Hoon
- Kapoor, Madhavi
- Kassamany, Talie
- Khalid Ahmed, Azam
- Kharub, Manjeet
- Koloszár, László
- Kolte, Ashutosh
- Kopka, Alexander
- Kumar, Deepak
- Kumar, Ravinder
- Kumar, Shubham
- Lanfranchi, Andrea
- Lastiri Santiago, Monica
- Leitão, João
- Lobato, Manuel
- Lopes, João
- M H, Bala Subrahmanya
- Mawlawi, Allam
- Medina, Lisset
- Meena, M.
- Melo, Pedro Lucas De Resende
- Milesi, Dario
- Mohammadi, Syeeda Shafiya
- Moirangthem, Nirmalkumar Singh
- Munir, Mubbasher
- Muñoz-Guarasa, Marta
- Nadalipour, Zahra
- Najaf, Khakan
- Nakagawa, Koichi
- Nasrallah, Nohade
- Nour, Prof. Abdulnaser
- Nunes, Sara
- Pascucci, Federica
- Pelle, Anita
- Pellegrini, Massimiliano
- Pereira, Elisabeth
- Perez Alaniz, Mauricio
- Pfitzer, Marc
- Pjero, Elenica
- Poskute, Virginija
- Pratono, Aluisius
- Racela, Olimpia
- Rauhut Kompaniets, Olga
- Reichert, Fernanda
- Reid, Stuart
- Ren, Ting
- Resbeut, Mathieu
- Resbeut, Mathieu
- Rodríguez-Cohard, Juan Carlos
- Rossi, Matteo
- Rostami, Nasrin
- Rostami, Vahab
- Ryan, Jason
- Saini, Neha
- Saki, Zahra
- Salehi, Mahdi
- Sansone, Giuliano
- Schank, Christoph
- Sebastião, João Renato
- Seclen-Luna, Jean Pierre
- Sedita, Silvia Rita
- Shabana, Kareem
- Shah, Bhavin
- Shams, Riad
- Sheetal, Sheetal
- Siddiqui, Areej
- Sindhwani, Rahul
- Solari, Maurizio Aris Giuseppe
- Sorrentino, Mario
- Suwannarat, Pornlapas
- Tahir, Nadia
- Tarigan, Josua
- Testa, Mario
- Tleuberdinova, Aizhan
- Török, Aron
- Tsoukatos, Evangelos
- Upadhyayula, Rajesh
- Uslu, Hakan
- Van Eenennaam, Fred
- Vergara González, Reyna
- Waheeduzzaman, ANM
- Wander, Alcido
- Weresa, Marzenna
- Zen, Aurora
- Zhang, Qiangqiang
- Zuriegat, Qasim