Analysis of Vitamin C Flesh and Rind of Red and Yellow Watermelon (Citrullus vulgaaris Schard) using UV Spectrophotometry. jisk [Internet]. 2024 Aug. 13 [cited 2024 Sep. 19];5(2):25-32. Available from: https://ejournal.sumateraconnect.or.id/index.php/jisk/article/view/76