Juwita AS, Affikri MM, Manalu ASD, Tasyah FA, Siregar D. The Effectiveness of Sanction Implementation in Reducing Student Disciplinary Violations at School. OJE [Internet]. 2026 Oct. 17 [cited 2026 Oct. 18];6(1):1-6. Available from: https://journal.outlinepublisher.com/index.php/OJE/article/view/751