Nafisah, Nafisah. 2016. “Is Abū Bakr Muḥammad Ibn Zakariyyā Al-Rāzī Plagiarist? (The Historical Study of Al-Rāzī’s Metaphysical Thought)”. Ulumuna 20 (2), 421-44. https://doi.org/10.20414/ujis.v20i2.796.