The Role of Principal Leadership in Improving Teacher Discipline at Public Elementary School 4 Tungoi 1. Annubuwwah J. Islam. Stud. [Internet]. 2024 Dec. 31 [cited 2026 Feb. 1];3(2):252-63. Available from: https://journal.iaimkotamobagu.ac.id/index.php/annubuwwah/article/view/62