Orathai Permsuk. 2002. Trihalomethanes formation potential in potable water from small waterworks in Chiangmai and its reduction using optimal dosage of polyaluminum chloride. Field of Study Environmental Management, Chulalongkorn University;
Orathai Permsuk. (2002) Trihalomethanes formation potential in potable water from small waterworks in Chiangmai and its reduction using optimal dosage of polyaluminum chloride . Chulalongkorn University/Bangkok.
Orathai Permsuk. Trihalomethanes formation potential in potable water from small waterworks in Chiangmai and its reduction using optimal dosage of polyaluminum chloride. . Bangkok:Chulalongkorn University, 2002.
Orathai Permsuk. (2002) Trihalomethanes formation potential in potable water from small waterworks in Chiangmai and its reduction using optimal dosage of polyaluminum chloride . Chulalongkorn University/Bangkok.