Kurniawan, M.F., Hariyadi, D.M. and Setyawan, D. 2024. Optimisation of the extraction process of pectin polymer from red dragon skin (Hylocereus polyrhizus). Pharmacy Education. 24, 3 (May 2024), p. 116–122. DOI:https://doi.org/10.46542/pe.2024.243.116122.