Ngubad, Khumaidul, Mispani Mispani, and Tukiran Tukiran. “Moral Development of Students at SD Negeri 2 Sumber Agung Ogan Komering Ilir Regency”. Bulletin of Pedagogical Research 1, no. 1 (February 5, 2021): 70–82. Accessed March 26, 2025. https://attractivejournal.com/index.php/bpr/article/view/179.