Sholihah, Lilis, Sahliah Sahliah, Aan Hasanah, and Bambang Arifin. “Core Ethical Values Character Education: Based On State Philosophy”. Edumaspul: Jurnal Pendidikan 7, no. 2 (October 1, 2023): 2618-2625. Accessed December 9, 2025. https://jurnal.unimen.cloud/maspuljr/article/view/6204.