Nadarajan Thambu
https://scholar.google.co.uk/citations?user=I5W80GIAAAAJ&hl=en

Faculty of Human Sciences, Universiti Pendidikan Sultan Idris
Malaysia

Department of Moral, Civics and Character Building Studies.

Senior Lecturer

Harun Joko Prayitno
https://scholar.google.co.id/citations?user=cLsAGo0AAAAJ&hl=en

Universitas Muhammadiyah Surakarta
Indonesia

Teacher Training and Education Faculty, Universitas Muhammadiyah Surakarta

Dean

Gamal Abdul Nasir Zakaria
https://scholar.google.com/citations?user=d8inSE8AAAAJ&hl=en

Sultan Hasanah Bolkiah Institut of Education, University of Brunei Darussalam
Brunei Darussalam