siswanto, siswanto, and Moch Efendi. “The Role Of Spiritual Intelligence On Pesantren-Based Educational Institutions”. Eksis: Jurnal Riset Ekonomi dan Bisnis 15, no. 1 (April 12, 2020): 11 - 22. Accessed November 24, 2024. https://ejournal.stiedewantara.ac.id/index.php/001/article/view/622.