Supawan Augchim และ Wanlapa Aeungmaitrepirom. (2008) Separation and preconcentration of metal ions from water using anion-exchange resin loaded with piperazinedithiocarbamate. Chulalongkorn University:ม.ป.ท.Supawan Augchim และ Wanlapa Aeungmaitrepirom. 2008. Separation and preconcentration of metal ions from water using anion-exchange resin loaded with piperazinedithiocarbamate. ม.ป.ท.:Chulalongkorn University;Supawan Augchim และ Wanlapa Aeungmaitrepirom. Separation and preconcentration of metal ions from water using anion-exchange resin loaded with piperazinedithiocarbamate. ม.ป.ท.:Chulalongkorn University, 2008. Print.