Han, Le Nguyen, and Dong Thi Anh Dao. 2016. “Survival of Probiotic Lactobacillus Acidophilus in Acidic Environment Is Enhanced in the Presence of Saccharomyces Cerevisiae”. Vietnam Journal of Biotechnology 14 (3):549-55. https://doi.org/10.15625/1811-4989/14/3/9872.