Ikram, Mohamad, et al. “Daya Antioksidan Ekstrak Kulit Buah Naga Dan Sabun Ekstrak Kulit Buah Naga (Hylocereus Polyrhizuz): Antioxidant Activity of Dragon Fruit (Hylocereus Polyrhizuz) Peel Extract and Soap of Dragon Fruit Peel Extract”. Jurnal Surya Medika (JSM), vol. 6, no. 1, Aug. 2020, pp. 22-25, https://doi.org/10.33084/jsm.v6i1.1616.