“Environmental and Economic Impact Study of a Complete Fuel Switch from Heavy Oil to Natural Gas at Libyan Iron and Steel Company Plants”. The International Journal of Engineering & Information Technology (IJEIT) 14, no. 2 (June 24, 2026): 183–189. Accessed August 1, 2026. https://ijeit.misuratau.edu.ly/index.php/ijeit/article/view/618.