G. L. Utama, T. B. A. Kurnani, .-. Sunardi, and R. L. Balia, “The Isolation and Identification of Stress Tolerance Ethanol-fermenting Yeasts from Mozzarella Cheese Whey”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 6, no. 2, pp. 252–257, Apr. 2016.