“In Vitro Antioxidant Properties of Lactobacillus gasseri Isolated from Fermented Milk: Isolation and Preparation of Strains and Intracellular Cell-Free Extracts, Chemical Testing (Hydrogen Peroxide, Superoxide, Hydroxyl Radical, DPPH, Ferrous Ion Chelatin” (2024) Indonesian Journal of Science and Technology, 9(3), pp. 611–622. doi:10.17509/ijost.v9i3.72186.