Wichan Ketjinda และ Ampol Mitrevej. (2007) Use of chitosan-polyacrylic acid interpolymer complex as a polymeric osmotic agent for development of push-pull osmotically controlled release tablets. Mahidol University:ม.ป.ท.Wichan Ketjinda และ Ampol Mitrevej. 2007. Use of chitosan-polyacrylic acid interpolymer complex as a polymeric osmotic agent for development of push-pull osmotically controlled release tablets. ม.ป.ท.:Mahidol University;Wichan Ketjinda และ Ampol Mitrevej. Use of chitosan-polyacrylic acid interpolymer complex as a polymeric osmotic agent for development of push-pull osmotically controlled release tablets. ม.ป.ท.:Mahidol University, 2007. Print.