Siregar, Hariman Surya, Mohd Roslan Mohd Nor, and Hajrullah Hajrullah. “Islamic Religious Learning for Muallaf at Pesantren”. Jurnal Pendidikan Islam 6, no. 2 (December 31, 2020): 165–178. Accessed February 2, 2026. https://www.journal.uinsgd.ac.id/index.php/jpi/article/view/9752.