ANTIOXIDANT CAPACITY OF THE GREEN LEAFY VEGETABLES USING OXYGEN RADICAL ANTIOXIDANT CAPACITY (ORAC), 2,2′-AZINO-BIS (3-ETHYLBENZOTHIAZOLINE-6-SULPHONIC ACID(ABTS) AND 2,2-DIPHENYL-1-PICRYLHYDRAZYL (DPPH) ASSAYS Journal title: Science Heritage Journal | Galeri Warisan Sains (GWS) Authors: Normah, H, Hanapi, M. J Subject(s):