Nurhadi, Nurhadi. “Philosophy of Material Logics Learning Tauhid the Nature of Two-Twenty Work Habib Usman Bin Yahya in Islamic Religion Education”. ISLAMIKA 1, no. 2 (July 31, 2019): 49-78. Accessed May 28, 2023. https://ejournal.stitpn.ac.id/index.php/islamika/article/view/201.