Gamandari, Sonia. “Use of The Problem Based Instruction Model on Activities and Results of Integrated Thematic Learning Students in Class V”. International Journal of Educational Dynamics 1, no. 1 (January 3, 2019): 264-269. Accessed November 21, 2024. http://ijeds.ppj.unp.ac.id/index.php/IJEDS/article/view/11.