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]. 2023 Feb. 9 [cited 2025 Dec. 19];9(3):213-9. Available from: https://idjpcr.usu.ac.id/jpt/article/view/10470