HYDROGEL SUPERBASORBENT POLY(ACRYLAMIDE-CO-ACRYLICACID)-CHITOSAN PREPARED BY GAMMA RADIATION FOR ADSORPTION OF Cu2+ AND Fe3+ METALIONS - ., Erizal; Pusat Aplikasi Teknologi Isotop dan Radiasi (PATIR) - BATAN Jl. Raya Lebak Bulus No.49, Jakarta 12070 (BATAN, 2013)