Jana Kratochvílová |||| Masaryk University, Brno, Czech Republic

Pascasie Nyirahabimana |||| University of Rwanda, Butare, Rwanda

Goran S. Djordjevic ||||University of Niš, Serbia

Veena Prachagool |||| Mahasarakham University, Maha Sarakham, Thailand

Blizak Djanette |||| Université de Boumerdes, Boumerdes, Algeria

Aaron Eli Mena-Araya |||| Universidad de Costa Rica, San Jose, Costa Rica

Nguyen Thi Dieu Linh |||| Hanoi University of Industry, Hanoi, Viet Nam

Syamsul Bahri |||| Universitas Musamus Merauke, Indonesia

Ahmad Swandi |||| Universitas Bosowa, Indonesia

Susbiyanto |||| Universitas Pendidikan Indonesia, Indonesia

Mashelin Wulandari|||| Universitas Negeri Yogyakarta, Indonesia