Effect of dose rate and concentration of hydrogels from carboxymethylcellulose(CMC)/polyvinyl pyrrolidone(PVP) of Swelling behaviour, gel fraction and surface morphology - Mohd Yazid, Norhanifah; Ahmad, Mansor; Ibrahim, Nor Azowa; Hashim, Kamaruddin (Faculty of Science, Universiti Putra Malaysia, 2009)