Prastiawan, A., Gunawan, I., Putra, A.P., Dewantoro, D.A., Cholifah, P.S., Nuraini, N.L.S., Rini, T.A., Pradipta, R.F., Raharjo, K.M., Prestiadi, D., & Surahman, E. (2020). School leadership skills in educational institutions. Advances in Social Science, Education and Humanities Research, 501, 438-441.