Muh. Khoirul Rifa’i. (2020). Kyai’s Leadership Behavior in Caring for Islamic Boarding Schools: Perilaku Kepemimpinan Kiai dalam Merawat Pondok Pesantren. Halaqa: Islamic Education Journal, 4(1), 33–44. https://doi.org/10.21070/halaqa.v4i1.178