KHAIRIYAH, Siti; SINAGA, Siti Morin; PUTRA, Effendy De. Determination Of Vitamin C And Antioxidant Activity In Fresh Red Guava (Psidium Guajava L.) And Red Guava Commercial Fruit Juices. International Journal of Science, Technology & Management, [S. l.], v. 3, n. 4, p. 880–883, 2022. DOI: 10.46729/ijstm.v3i4.543. Disponível em: https://ijstm.inarah.co.id/index.php/ijstm/article/view/543. Acesso em: 11 feb. 2026.