1. Bina Nusantara University,Research Interest Group in Educational Technology,Computer Science Department,Bandung,Indonesia
2. School of Engineering and Informatics, Institut Teknologi Bandung,Bandung,Indonesia
3. Bina Nusantara University,Faculty of Humanities RIG Group in Educational Technology,Primary Teacher Education Department,Jakarta,Indonesia
4. Universitas Agung Podomoro,Entrepreneurship Department,Jakarta,Indonesia