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 Aziz, Norazlin
• Ab-Rahim, Rossazana
• Abbas, Faisal
• Abd Jalil, Mohamad Isa
• Abdel Moshin, Magda
• Abdelbaki, Hisham
• Abdeldayem, Marwan
• Abdeljawad, Islam
• Abduh, Muhamad
• Abdul Halim, Zairihan
• Abdul Khir, Mohamed Fairooz
• Abdul Razak, Lutfi
• Abdul-Rahim, Ruzita
• Abdullah, Faruk
• Abdullah, Mohammad
• Abdullahi, Shafiu
• Abdurraheem, Abdulazeez
• Abedin, Mohammad Zoynul
• Abojeib, Moutaz
• Adam Hr, Muhammad
• Adam, Mohammad
• Ahmad, Abu Umar Faruq
• Ahmad, Zulfikar Ali
• Ahmed, Elsadig
• Ahmed, Jaleel
• Ajmi, Hechem
• Ajouz, Mousa
• Aktas, Osman
• Al Arif, Mohammad Nur Rianto
• Al Talafah, Sarah Hussein
• Al-Rjoub, Samer
• Alabbad, Amal
• Alahouel, Fatma
• Alam, Md. Kausar
• Alandejani, Maha
• Aldulaimi, Saeed
• Alfarisi, Mohamad Fany
• Ali, Abbas
• Ali, B. M. Hakim
• Ali, Mohsin
• Ali, Mohsin
• Alkhataybeh, Ahmad
• Almunawar, Mohammad Nabil
• Alnoor, Alhamzah
• Alshammari, Ahmad
• Alshareef, Ezuldeen
• Alshater, Muneer
• Alsunbul, Saad
• Ameer, Rashid
• Amin, Hanudin
• Aminfard, Matin
• Araar, Mohamed
• Arayssi, Mahmoud
• Arshed, Noman
• Asadov, Alam
• Ascarya, Ascarya
• Ashraf, Ali
• Ashraf, Sumaira
• Auzair, Sofiah Md.
• Awaliah Kasri, Rahmatina
• Aydin, Necati
• Azad, Md. Abul Kalam
• Azid, Toseef
• Aziz, Osama
• Azizi, Mohammad
• Azrak, Tawfiq
• Bakhouche, Abderazak
• Bakri, Mohammed Hariri
• Banna, Hasanul
• Beik, Irfan Syauqi
• Belhouchet, Selma
• Benamraoui, Abdelhafid
• Biancone, Paolo
• Bilgin, Mehmet Huseyin
• Bilyay-Erdogan, Seda
• Bodolica, Virginia
• Brown, Kym
• Bt. Siraj, Siti Alawiah
• Bugan, Mehmet
• Choudhury, Tonmoy
• Chowdhury, Mohammad Ashraful Ferdous
• Dahleez, Khalid
• Danisman, Gamze Ozturk
• Dewi, Miranti
• Dhani, Nur
• Dinc, Yusuf
• Echchabi, Abdelghani
• Ehigiamusoe, Kizito
• Elkomy, Shimaa
• Eskander, Shaikh
• Farooq, Moazzam
• Gazdar, Kaouthar
• Ghassan, Hassan
• Ghazali, Noor Azimah
• Gokmenoglu, Korhan
• Grassa, Rihab
• Habib, Farruk
• Haron, Razali
• Hasan, Md. Bokhtiar
• Hasan, Rashedul
• Hasan, Zulkifli
• Haseeb, Muhammad
• Hassan, Junaid
• Hidayat, Sutan Emir
• Ho, Catherine S. F.
• Hooy, Chee-Wooi
• Hosseini, Seyedmehdi
• Ibekwe, Ibe
• Ibrahim, Abdul-Jalil
• Indriastuti, Maya
• Ismail, Mohd Adib
• Ismal, Rifki
• Izadi, Selma
• Ja'afar, Roslan
• Jawadi, Fredj
• Johan, Zaimy Johana
• Kabir, Md. Nurul
• Kalimullina, Madina
• Kamal, Javed
• Kamran, Muhammad
• Karim, Muhammad
• Kassim, Salina
• Kaya, Ilker
• Kayani, Umar
• Khalid, Azam
• Khan, Ashraf
• Khan, Foyasal
• Khan, Hayat
• Khan, Ismail
• Khattak, Mudeer
• Khaw, Karren Lee-Hwei
• Khokher, Zahid Rehman
• Khokher, Zahid Ur Rehman
• Khorasgani, Amir
• Kia, Amir
• Laldin, Mohamad Akram
• Lau, Evan
• Mahi, Masnun
• Mahomed, Ziyaad
• Majumdar, Sudipa
• Mamun, Abdullah Al
• Marashdeh, Hazem
• Maryam, Sayeda Zeenat
• Marzuki, Ainulashikin
• Miah, Mohammad Dulal
• Mikail, Said
• Mobasshera, Hamida
• Mobin, Mohammad
• Mohamad, Muslim Har Sani
• Mohd Rasid, Mohamed Eskandar Shah
• Mohd Saat, Nur Ashikin
• Mohd Thas Thaker, Mohamed Asmy
• Mohd. Yusof, Rosylin
• Mufraini, M. Arief
• Muhamed, Nurul Aini
• Muhammad, Aliyu
• Muneeza, Aishath
• Munusamy, Dharani
• Mustafa, Ghulam
• Mutum, Dilip
• Nabi, Md.
• Naveed, Farrukh
• Noman Alam, Abu Hanifa Md.
• Noor, Juliansyah
• Norualalh, Mustafa
• Ozturk, Huseyin
• Pamungkas , Putra
• Paskelian, John
• Patel, Mohsin
• Possumah, Bayu
• Puthiya, Rashita
• Rafiki, Ahmad
• Rahman, Matiar
• Rahman, Arafat
• Rahman, Md. Habibur
• Rahman, Molla Ramizur
• Ramadilli, Shamsher
• Rashid, Abdul
• Rashid, Mamunur
• Rashid, Mamunur
• Raza Rizvi, Syed Aun
• Risfandy, Tastaftiyan
• Saba, Irum
• Safa, M.
• Safiullah, Md.
• Sakti, Muhammad Rizky Prima
• Sami, Mina
• Sandwick, John
• Saona, Paolo
• Sarac, Mehmet
• Sarea, Adel
• Selim, Mohammad
• Seraty, Ahmed
• Shah, Syed
• Shaikh, Salman Ahmed
• Shamsudheen, Shinaj
• Smaoui, Houcem
• Soriano, Pilar
• Sukmana, Raditya
• Sukmana, Raditya
• Tahari, Marwa
• Tahmid, Tahani
• Tajuddin, Ahmad Hakimi
• Thai Hung, Ngo
• Tiwari, Aviral
• Turpin, Lonnie
• Uddin, Md Akther
• Ullah, Md. Hafij
• Uluyol, Burhan
• Usman, Ahmed
• Yaziz Bin Mohd Isa, Mohd
• Younas, Zahid
• Yüksel, Serhat
• Zaman, Qamar
• Zaman, Rashid
• Zulkhibri, Muhamed