Rizki Diaz I, Supianto AA, Tolle H. Log Data Analysis of Player Behavior in Tangram Puzzle Learning Game. Int. J. Interact. Mob. Technol. [Internet]. 2018 Dec. 24 [cited 2024 Nov. 22];12(8):pp. 123-129. Available from: https://online-journals.org/index.php/i-jim/article/view/9280