Karar, M. Y. A., H. M. Mustafa, and E. E. Hago. “Evaluation of Diethyl Ether (DEE) As a Renewable Transport Fuel in Sudan”. European Journal of Engineering and Technology Research, Vol. 6, no. 1, Jan. 2021, pp. 1-6, doi:10.24018/ejers.2021.6.1.2255.