Supervisory Strategy of Inner Madrasah Aliyah Education Improving the Professionalism of Madrasah Heads. J. Instr. Dev. Res. [Internet]. 2023 Oct. 31 [cited 2026 Oct. 29];3(5):188-200. Available from: https://www.journal.iel-education.org/index.php/JIDeR/article/view/256