Watcharaporn Khamna และ Apichat Imyim. (2010) Metal ion adsorption by carbonized and surface-modified cation exchange resin. Chulalongkorn University:ม.ป.ท.Watcharaporn Khamna และ Apichat Imyim. 2010. Metal ion adsorption by carbonized and surface-modified cation exchange resin. ม.ป.ท.:Chulalongkorn University;Watcharaporn Khamna และ Apichat Imyim. Metal ion adsorption by carbonized and surface-modified cation exchange resin. ม.ป.ท.:Chulalongkorn University, 2010. Print.