Siwaporn Archariya และ Patcharaporn Suwanvitaya. (2014) Treatment of fire extinguisher wastewater by ozonation. Kasetsart University:ม.ป.ท.Siwaporn Archariya และ Patcharaporn Suwanvitaya. 2014. Treatment of fire extinguisher wastewater by ozonation. ม.ป.ท.:Kasetsart University;Siwaporn Archariya และ Patcharaporn Suwanvitaya. Treatment of fire extinguisher wastewater by ozonation. ม.ป.ท.:Kasetsart University, 2014. Print.