Woratat Sathirasathaporn และผู้แต่งคนอื่นๆ. (2008) Coagulation and flocculation of metalworking fluid wastewater by polyacrylamide and polyaluminum chloride. Chulalongkorn University:ม.ป.ท.Woratat Sathirasathaporn และผู้แต่งคนอื่นๆ. 2008. Coagulation and flocculation of metalworking fluid wastewater by polyacrylamide and polyaluminum chloride. ม.ป.ท.:Chulalongkorn University;Woratat Sathirasathaporn และผู้แต่งคนอื่นๆ. Coagulation and flocculation of metalworking fluid wastewater by polyacrylamide and polyaluminum chloride. ม.ป.ท.:Chulalongkorn University, 2008. Print.