Nazar, Muhammad, Rusman Rusman, Isfin Cahyani Putri, and Kana Puspita. “Developing an Android-Based Game for Chemistry Learners and Its Usability Assessment”. International Journal of Interactive Mobile Technologies (iJIM) 14, no. 15 (September 11, 2020): pp. 111–124. Accessed April 25, 2024. https://online-journals.org/index.php/i-jim/article/view/14351.