Christian H. Pangaribuan , Desman Hidayat , Okta Prihatma Bayu Putra , Glory Aguzman, Rahmat Febriyanto 2020. DIGITAL BADGE FROM THE PERSPECTIVE OF SELFDETERMINATION THEORY . PalArch’s Journal of Archaeology of Egypt / Egyptology. 18, 1 (Dec. 2020), 116 - 128.