Antioxidant and Cytotoxic Bioassay on Blumeodendron toxbrai (Blume.) Stem Bark Hexane, Dichloromethane, and Methanolic Ekstract, Adi, Andreas Susilo, Elya Berna, and Hanafi Muhammad , Pharmacognosy Journal, January 2021, Volume 13, Issue 1, p.139-141, (2021)