Al-Hilo, Jasim, Thamir J. Mohammed, and Rana A. Al-Naime. 2007. “The Production of Ethanol from Sugar Beet Waste by Immobilized Saccharomyces Cerevisiae”. Iraqi Journal of Chemical and Petroleum Engineering 8 (4): 25-30. https://doi.org/10.31699/IJCPE.2007.4.4.