Amin, Ahmad Kholiqul, I Nyoman Degeng Sudana, Punaji Setyosari, and Ery Tri Djatmika. “The Effectiveness of Mobile Blended Problem Based Learning on Mathematical Problem Solving”. International Journal of Interactive Mobile Technologies (iJIM) 15, no. 01 (January 12, 2021): pp. 119–141. Accessed November 21, 2024. https://online-journals.org/index.php/i-jim/article/view/17437.