Sarpini. “The Epistemology of Abu Yusuf Ya’qub Bin Ishaq Al-Kindi (Philosophy and Religion)”. Islamic Studies Journal 2, no. 1 (April 29, 2022): 39–51. Accessed July 4, 2025. https://ejournal.uinsaizu.ac.id/index.php/ISJ/article/view/7188.