Permana, A.B. 2021. Study of Antibacterial Activity and Viability of Lactic Acid Bacteria (BAL) on Fermented Milk Beverage Products Circulating in Malang City. Contributions of Central Research Institute for Agriculture. 15, 1 (Jan. 2021), 6–10. DOI:https://doi.org/10.59651/cceria.v15i1.30.