Thahir, Muthahharah, Ananda Rachmaniar, Cucun Sunaengsih, and Widiawati Widiawati. “Principal Leadership and Academic Service Management in Indonesian Junior High Schools: Challenges and Opportunities”. Journal of Education and Teaching (JET) 6, no. 3 (July 31, 2025): 651-669. Accessed August 11, 2025. https://www.jet.or.id/index.php/jet/article/view/541.