Pornkamol Plianpao และผู้แต่งคนอื่นๆ. (1998) Recovery of polyelectrolyte from a polyelectrolyte-enhanced ultrafiltration process by crystallization. Chulalongkorn University:ม.ป.ท.Pornkamol Plianpao และผู้แต่งคนอื่นๆ. 1998. Recovery of polyelectrolyte from a polyelectrolyte-enhanced ultrafiltration process by crystallization. ม.ป.ท.:Chulalongkorn University;Pornkamol Plianpao และผู้แต่งคนอื่นๆ. Recovery of polyelectrolyte from a polyelectrolyte-enhanced ultrafiltration process by crystallization. ม.ป.ท.:Chulalongkorn University, 1998. Print.