Luu, Thai Quan, et al. “SURVEYING ON AN EXTRACTION PROCESS FROM GRAPEFRUIT PEEL AND MODULATING AN APOTHECARY OF DRIED GRAPEFRUIT PEEL EXTRACTS IN THE DIRECTION OF ANTI-OXIDANT”. 2022. Cantho Journal of Medicine and Pharmacy, no. 53, Nov. 2022, pp. 160-8, doi:10.58490/ctump.2022i53.167.