Yasifun, Yasifun, Budi Haryanto, and Istikomah Istikomah. “The Role of the Principal in Creating Effective School”. Proceedings of The ICECRS 50 (June 14, 2020). Accessed May 19, 2024. https://icecrs.umsida.ac.id/index.php/icecrs/article/view/398.