Kusumasari, Findi Citra, et al. “Studi Kandungan Vitamin C Pada Limbah Kulit Jeruk Pamelo (Citrus Maxima Merr): Study of Vitamin C Content in Pamelo Orange Peel Waste (Citrus Maxima Merr)”. NaCIA (National Conference on Innovative Agriculture), June 2024, pp. 109-14, https://ocs.polije.ac.id/index.php/pnacia/article/view/71.