Dewi Restuana Sihombing, and 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 ”. Jurnal Online PERTANIAN TROPIK, vol. 9, no. 3, Feb. 2023, pp. 213- 219, doi:10.32734/jpt.v9i3.10470.