Kusmaduni, Fati’ah, Akhyak Akhyak, and Binti Maunah. 2026. “The Role of the Principal As a Leader in Shaping Effective Schools: A Multi-Case Study at MAN 1 Tulungagung and SMAN 1 Kedungwaru”. International Journal of Science, Technology & Management 7 (1):171-78. https://doi.org/10.46729/ijstm.v7i1.1412.