M. Fikri Amrullah. “Sejarah Peradaban Islam; Madrasah Nidzam Al-Mulk”. HUMANISTIKA : Jurnal Keislaman 5, no. 1 (January 1, 2019): 41–56. Accessed August 26, 2025. https://ejournal.unzah.ac.id/index.php/humanistika/article/view/41.