Afifah, Diah Siti, and Rudiana Agustini. 2024. “Effect of Red Guava (Psidium Guajava L.) Juice Concentration on Product Quality and Antioxidant Activity of Red Guava Synbiotic Yoghurt”. Jurnal Pijar Mipa 19 (5):854-59. https://doi.org/10.29303/jpm.v19i5.7296.