1.
Lubis ZA, Hasibuan R, Daulay H. Increasing Students’ Learning Motivation Through Problem Based Learning at SD Negeri 0405 Hutaraja Lamo. IJESH [Internet]. 2024 Sep. 30 [cited 2025 Feb. 22];1(3):79-90. Available from: https://journal.mgedukasia.or.id/index.php/ijesh/article/view/392