Ahmad Martadha Mohamed, (Scopus ID: 56675226700), University Utara Malaysia, Malaysia

Noraida Endut, (Scopus ID: 54913809400), Universiti Sains Malaysia, Malaysia

Wahyudi Kumorotomo, (Scopus ID: 57189250301), Universitas Gadjah Mada, Indonesia

Hazel Jovita, (Scopus ID: 57205322357), Mindanao State University – Iligan Institute of Technology, Philippines

Ulung Pribadi, (Scopus ID: 57194236562), Universitas Muhammadiyah Yogyakarta, Indonesia

Tunjung Sulaksono, (Scopus ID: 57209322144), Universitas Muhammadiyah Yogyakarta, Indonesia

Queenie Pearl Villalon Tomaro, (Scopus ID: 57209203677), Mindanao State University – Iligan Institute of Technology, Philippines

Titin Purwaningsih, (Scopus ID: 57216735660), Universitas Muhammadiyah Yogyakarta, Indonesia

Novy Setia Yunus, (Scopus ID: 57222355386), Universitas Brawijaya, Indonesia

Suranto Suranto, (Scopus ID: 56636045900), Universitas Muhammadiyah Yogyakarta, Indonesia

Enrique Batara, (Scopus ID: 57199651116), Mindanao State University – Iligan Institute of Technology, Philippines

Muhammad Iqbal, National Cheng Kung University, Taiwan, Province of China