Utama, Gemilang Lara, et al. “The Isolation and Identification of Stress Tolerance Ethanol-Fermenting Yeasts from Mozzarella Cheese Whey”. International Journal on Advanced Science, Engineering and Information Technology, vol. 6, no. 2, Apr. 2016, pp. 252-7, doi:10.18517/ijaseit.6.2.752.