Tahir, I. N., and G. Oziev. “THE PARAMETERS OF AL-IJTIHAD IN ZAKĀT: THE PAST AND THE PRESENT”. Al-Shajarah: Journal of the International Institute of Islamic Thought and Civilization (ISTAC), vol. 21, no. 2, Nov. 2016, doi:10.31436/shajarah.v21i2.408.