1. School of Computer Science, Bina Nusantara University,Jakarta,Indonesia
2. Research Interest Group in Educational Technology Bina Nusantara University,Faculty of Humanities,Primary Teacher Education Department,Jakarta,Indonesia
3. Universitas Agung Podomoro,Entrepreneurship Department,Jakarta,Indonesia
4. School of Computer Science Bina Nusantara University,Mobile application & Technology,Jakarta,Indonesia