Amin AK, Sudana IND, Setyosari P, Djatmika ET. The Effectiveness of Mobile Blended Problem Based Learning on Mathematical Problem Solving. Int. J. Interact. Mob. Technol. [Internet]. 2021 Jan. 12 [cited 2024 Apr. 26];15(01):pp. 119-141. Available from: https://online-journals.org/index.php/i-jim/article/view/17437