Naman, Salah, K. A. Maher, and Sherwan Simo. “Evaluation and Improvement of Diesel Cut from Tawke Crude Oil Wells, Zakho”. Science Journal of University of Zakho 5, no. 1 (March 30, 2017): 93-100. Accessed September 22, 2020. https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/469.