Nurliyani et al. 2014. Microbiological Quality, Fatty Acid and Amino Acid Profiles of Kefir Produced from Combination of Goat and Soy Milk. Pakistan Journal of Nutrition. 13, 2 (Jan. 2014), 107–115. DOI:https://doi.org/10.3923/pjn.2014.107.115.