1.
Nurzaima N, Nursalam N, Mawardi A. The Role of Principals in Improving the Professional Competence of Teachers. PIJED [Internet]. 2025 Dec. 3 [cited 2026 Jul. 10];4(2):616-33. Available from: https://ejournal.ppsdp.org/index.php/pijed/article/view/769