Lubis, Z. A., Hasibuan, R., & Daulay, H. (2024). Increasing Students’ Learning Motivation Through Problem Based Learning at SD Negeri 0405 Hutaraja Lamo. Indonesian Journal of Education and Social Humanities, 1(3), 79–90. Retrieved from https://journal.mgedukasia.or.id/index.php/ijesh/article/view/392