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:
- Aamer, Ammar
- Abbasi, Ghazanfar
- Abdeljawad, Islam
- Adejuwon, Olawale
- Agarwal, Pragati
- Al-Awlaqi, Mohammed
- Al-Kwifi, Osama
- Al-Mamary, Yaser
- Al-Sabaawi, Mohmed Y. Mohmed
- Al-Sayed, Rafif
- Ala Eddin., Mohammed Issa
- Alahdal, Waleed
- Alam, Mahfooz
- Alamsyah, Andry
- Alizadeh, Parisa
- Almeida, Fernando
- Almunawar, Mohammad Nabil
- Alshaher, Ali
- Alsultanny, Yas
- Anggadwita, Grisna
- Ansari Vaghef, Alireza
- Anshari, Muhammad
- Arab, Alireza
- Arief, Usman
- Ashraf, Hamid
- Asrol, Muhammad
- Baark, Erik
- Baporikar, Neeta
- Baragde, Dileep
- Belezas, Fernando
- Bhardwaj, Mamta
- Bhatt, Vaidik
- Candra, Sevenpri
- Capaldo, Guido
- CeylanMr, Serkan
- Chatterjee, Sheshadri
- Chen, Mingli
- Chen, Siyuan
- Chillayil, Jayaraman
- Choi, Sungyong
- Dalalah, Doraid
- Diogo, Ana
- Dunan, Amri
- Ekaputra, Irwan
- Emami, Amir
- Fizzanty, Trina
- Fotolela, Rosalia
- Galvao, Anderson
- Games, Donard
- Ganji, Kashmira
- Gao, Yuchen
- Garg, Aashish
- Ghaffari, Sina
- Gibaja Romero, Damián Emilio
- Goel, Pooja
- Goodarzi, Maryam
- Gopal, Mr
- Gupta, Sanjay
- Gupta, Swati
- Hanafi, Mamduh
- Heshmati, Saeed
- Hu, Yimei
- Islam, Md Zahidul
- Jaberi, Akbar
- Jalilvand, Mohammad Reza
- Janodia, Manthan
- Jiang, Cailou
- Junarsin, Eddy
- Kar, Arpan Kumar
- Kartika, Rayna
- Kashani, Ebrahim
- Kassim, Norizan
- Keney, Gabriel
- Korang-Yeboah, Bright
- Kumar, Hemant
- Kumar, Rahul
- Kunte, Manjiri
- Li, Ning
- Mahajan, Subhash
- Malik, Mustafa
- Mascarenhas, Carla
- Masudin, Ilyas
- Mir, Umar
- Mishra, Akhilesh
- Mohapatra, Sanjay
- Muragundi, Pradeep
- Musa Ahmed, Elsadig
- Musti, K. S. Sastry
- Namahoot, Kanokkarn
- Naredla, Suman
- Nasrolahi, Leila
- Nasution, Muhammad Dharma Tuah Putra
- Nguyen, Minh
- Ordoñez De Pablos, Patricia
- Pasciaroni, Carolina
- Pastor Pérez, María Del Pilar
- Patra, Swapan Kumar
- Phung, Mai Lan
- Prayuda, Rendi
- Putera, Prakoso Bhairawa
- Ramtohul, Avinash
- Ratten, Vanessa
- Restuputri, Dian Palupi
- Sanny, Lim
- Santos, Eulalia
- Setiawan, Ahmad
- Shahin, Arash
- Shahzad, Khuram
- Stezano, Federico
- Ström, Patrik
- Subiyanto, Effnu
- Sujono, Dr
- Sukphisal, Burin
- Swami, Sanjeev
- Tuamsuk, Kulthida
- Wongsurawat, Winai
- Zain, Mohamed
- Аягоз, Жансагимова