Nattawin Chawaloesphonsiya และ Pisut Painmanakul. (2009) Enhancement of cutting oil wastewater treatment and separation by coalescer process. Chulalongkorn University:ม.ป.ท.Nattawin Chawaloesphonsiya และ Pisut Painmanakul. 2009. Enhancement of cutting oil wastewater treatment and separation by coalescer process. ม.ป.ท.:Chulalongkorn University;Nattawin Chawaloesphonsiya และ Pisut Painmanakul. Enhancement of cutting oil wastewater treatment and separation by coalescer process. ม.ป.ท.:Chulalongkorn University, 2009. Print.