Atun, Supik, and Hermanto. “Instructional Leadership Strategies of School Principals to Enhance Teachers’ Competencies in Differentiated Instruction”. International Journal of Social Sciences and Humanities 4, no. 2 (June 30, 2026): 1113–1125. Accessed July 28, 2026. https://ejournal.45mataram.ac.id/index.php/ijssh/article/view/3534.