Istanto , Istanto, Fakhruddin Fakhruddin, Heri Yanto, and Hesti Dwi Setyowati. 2023. “Principal Leadership Model at Muhammadiyah Junior High School of Surakarta City”. International Conference on Science, Education, and Technology 7 (1):778-87. https://proceeding.unnes.ac.id/ISET/article/view/2045.