Lumbantoruan, Lina, Widiastuti Widiastuti, and Wiyun Philipus Tangkin. “Penerapan Rules and Procedures Untuk Meningkatkan Kedisiplinan Siswa”. Jurnal Educatio FKIP UNMA 7, no. 2 (June 28, 2021): 546–553. Accessed June 17, 2025. https://www.ejournal.unma.ac.id/index.php/educatio/article/view/1084.