F. Kheiralla, A., Mohamed El-Awad, Mathani Y. Hassan, M. A. Hussen, and Hind I. Osman. 2022. “Effect of Ethanol−Gasoline Blends on Fuel Properties Characteristics of Spark Ignition Engines”. University of Khartoum Engineering Journal 1 (2). https://doi.org/10.53332/uofkej.v1i2.92.