EFFECT OF AZADIRACHTA INDICA A.JUSS. AND GYNURA PROCUMBENS (MERR.) LEAF EXTRACT COMBINATION TOWARDS FREE-RADICAL SCAVENGING ACTIVITY. Journal title: International Journal of Advanced Research (IJAR) Authors: Nofran Putra Pratama , Kurnia Rahayu Purnomo Sari and Ema Mutya. Subject(s):