Hartono, I Nyoman Ehrich Lister, and Buter Samin. “Grafe Fruit Extract (Vitis Vinifera) As an Antioxidant”. International Journal of Health and Pharmaceutical (IJHP), vol. 2, no. 1, Feb. 2022, pp. 53-56, doi:10.51601/ijhp.v2i1.12.