Arnida, A., A. Madani, and S. Sutomo. “Antioxidant Activity of N-Hexane and Etil Acetate Fractions of Bangkal (Nauclea Subdita (Korth.) Steud.) Leaves”. Borneo Journal of Pharmacy, vol. 6, no. 2, May 2023, pp. 147-5, doi:10.33084/bjop.v6i2.4738.