Dewi Restuana Sihombing, Connie Daniela. The Fruitghurt Formulations are Combination of Red Guava and Pineapple Juice by using the Encapsulation Method, as an Alternative Source of Vitamin C . Petrop [Internet]. 2023Feb.9 [cited 2024May5];9(3):213- 219. Available from: https://talenta.usu.ac.id/jpt/article/view/10470