Novianty, M. A., N. Riandani, M. S. Isra, J. M. Nuruwael, A. Alwi, and R. Samad. “Educational Game: SI MANGGIS CELEBES, As Dental Health Education Media Based With Android System for Pre-School Student”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 35, no. 2, Aug. 2017, pp. 130-4, https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/7953.