Nurainy F, Rizal S, Suharyono S, Susanti E. Characteristic of Red Guava Juice Probiotic Beverages with the Addition of Cinnamon and Sappan Wood Extract. JPPT [Internet]. 2022Aug.31 [cited 2024Apr.28];22(2):195-204. Available from: https://jurnal.polinela.ac.id/jppt/article/view/2149