“Gasoline, Ethanol and Methanol (GEM) Ternary Blends Utilization As an Alternative to Conventional Iraqi Gasoline to Suppress Emitted Sulfur and Lead Components to Environment”. Al-Khwarizmi Engineering Journal, vol. 12, no. 3, Dec. 2017, pp. 38-51, https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/306.