T. Khathi, Mohammed, and Ali A. Ali Al-Yasiri. 2016. “A Comparative Study of Iraqi Crude Oil Taken from the Nasiriyah Refinery With Various Local and Global Crude Oils”. University of Thi-Qar Journal of Science 6 (1): 70-77. https://doi.org/10.32792/utq/utjsci/v6i1.53.