GRAFTING OF CELLULOSIC PALMITATE-METHYL METHACRYLATE BY ELECTRON BEAM IRRADIATION AND CHARACTERIZATION OF THEIR MEMBRANES MECHANICAL PROPERTIES - Riswoko, Asep; Center for Material Technology-Agency for the Assessment and Application of Technology Jl. M.H. Thamrin No. 8, Jakarta 10340, Indonesia (BATAN, 2013)