Thameem Ushama. 2022. “CRITICAL ELEMENTS OF RELIGIOUS EXTREMISM DURING EARLY ISLAMIC CIVILISATION: A CRITICAL STUDY OF SELECT CONCEPTS”. Al-Shajarah: Journal of the International Institute of Islamic Thought and Civilization (ISTAC) 27 (1):123-51. https://doi.org/10.31436/shajarah.v27i1.1393.