Sarki Baki, A. ., A. . Bello, U. . Kalthum Mohammad, A. . Aliyu Farouq, M. . Aliyu Yahaya, A. . Gambo, U. . Salisu Ahmad, and S. . Zaid. “Isolation and Characterization of Yeast from Traditionally Fermented Cow Milk and Their Application in the Production of Biosurfactant”. Scientific Journal of Microbiology, vol. 5, no. 11, Nov. 2016, pp. 134-41, https://www.sjournals.com/index.php/sjm/article/view/344.