“ 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 Chelati”. Indonesian Journal of Science and Technology, vol. 9, no. 3, July 2025, pp. 611-22, https://ejournal.kjpupi.id/index.php/ijost/article/view/391.