Izzati, N.N. et al. 2012. AKTIVITAS ANTIOKSIDAN EKSTRAK PERASAN DAUN MANGGIS (Garcinia mangostana L.) BERDASARKAN METODE DPPH (2,2 Diphenyl-1-phycryl hydrazil). PHARMACY: Jurnal Farmasi Indonesia (Pharmaceutical Journal of Indonesia). 9, 03 (Dec. 2012). DOI:https://doi.org/10.30595/pji.v9i3.762.