R. Muthia, M. Hidayatullah, and R. Hidayati, “Phytochemical Screening and Antioxidant Activity of Ethanolic Extract of Cawat Hanoman Stem (Bauhinia aculeata L.) using DPPH Method”, Borneo J Pharm, vol. 3, no. 1, pp. 15–21, Feb. 2020.