Firmansyah, F., M. Amin, E. Komara, and W. Warta. “Management Effectiveness of Educators and Education Personnel: (Phenomenology Study at SMAN 18 Jakarta)”. Edumaspul: Jurnal Pendidikan, Vol. 7, no. 1, Mar. 2023, https://jurnal.unimen.cloud/index.php/maspuljr/article/view/5585.