Marlia, A. D., H. Azzahra, A. . Lydia Jati, A. . Fayyazah, and H. . Indra Kusuma. “Transformational Leadership Style of Kiai Hasan Abdullah Sahal at Pondok Modern Darussalam Gontor”. JSP: Jurnal Studi Pesantren, vol. 4, no. 1, Mar. 2025, pp. 14-27, https://journal.ua.ac.id/index.php/jsp/article/view/534.