AL-Head, Aliaa Kamil, and Khalida Jameel Waheem. “Study on Viscosity Correlations for Iraqi Crude Oils”. Journal of Petroleum Research and Studies 4, no. 1 (June 1, 2013): 27-42. Accessed April 3, 2025. https://jprs.gov.iq/index.php/jprs/article/view/87.