Supendi, P., A. Hasanah, and M. Mahmud. “Transformational Leadership in Pesantren on As Sa’idah, Al Matuq, and Sunanul Huda Boarding School”. Jurnal Pendidikan Islam, vol. 7, no. 2, Jan. 2019, pp. 303-16, doi:10.14421/jpi.2018.72.303-316.