Putri, Rahayu Eka. “Character Education Strategy In Improving Student Discipline At Islamic State University Higher Education Mahmud Yunus Batusangkar”. Journal Neosantara Hybrid Learning 1, no. 3 (December 7, 2023): 249–259. Accessed July 10, 2025. https://www.journal.ypidathu.or.id/index.php/jnhl/article/view/257.