Qureshi, Zahid, et al. “Simultaneous Saccharification and Fermentation of Sorghum Bicolour Grains by Ethanol and Sugar Tolerated Saccharomyces cerevisiae&Nbsp”;. Asian Journal of Chemistry, vol. 24, no. 3, Dec. 2011, pp. 1162-6, https://asianpubs.org/index.php/ajchem/article/view/8733.