Sirilak Intarawicha และ Korbratna Kriausakul. (2008) Copper removal from dilute aqueous solution by emulsion liquid membrane method. Chulalongkorn University:ม.ป.ท.Sirilak Intarawicha และ Korbratna Kriausakul. 2008. Copper removal from dilute aqueous solution by emulsion liquid membrane method. ม.ป.ท.:Chulalongkorn University;Sirilak Intarawicha และ Korbratna Kriausakul. Copper removal from dilute aqueous solution by emulsion liquid membrane method. ม.ป.ท.:Chulalongkorn University, 2008. Print.