The Principal’s Leadership in Building a Culture of Discipline at School Background: A Case Study of Public Elementary School 065/XI in Desa Baru Debai. JMO [Internet]. 2006 Jul. 30 [cited 2026 Sep. 20];8(2):237-51. Available from: https://ejournal.ummuba.ac.id/index.php/pjkr/article/view/4257