Darmayanti D, Marwan M, Najmuddin N. Managerial Competence of School Principals in Implementing Total Quality Management: A Study of Elementary Schools in Meurah Mulia . juhu [Internet]. 2026Jan.21 [cited 2026Jun.6];6(4):1428-39. Available from: https://mail.academicareview.com/index.php/jh/article/view/383