Firmansyah, Firmansyah, Muhammad Amin, Endang Komara, and Waska Warta. 2023. “Management Effectiveness of Educators and Education Personnel: (Phenomenology Study at SMAN 18 Jakarta)”. Edumaspul: Jurnal Pendidikan 7 (1). https://jurnal.unimen.cloud/index.php/maspuljr/article/view/5585.