Tihabsah, Rahmat, and Muhammad Husnur Rofiq. “The Principal’s Leadership in Improving Teachers’ Professional Competence at SDN”. JELIN: Journal of Education and Learning Innovation 1, no. 2 (August 24, 2024): 217–229. Accessed February 5, 2025. https://ejournal.pdtii.org/index.php/jelin/article/view/64.