Billah Wulandari, and Umar Darwis. “Analysis of the Low Level of Discipline of Class V Students SD Negeri 064961 Medan Maimun District”. International Journal of Educational Research Excellence (IJERE) 2, no. 2 (July 31, 2023): 204–210. Accessed July 3, 2024. https://ejournal.ipinternasional.com/index.php/ijere/article/view/465.