Watcharee Saipanya. 2003. Defluoridation of drinking water by adsorption using firebrick. Field of Study Chemistry, Chiang Mai University;
Watcharee Saipanya. (2003) Defluoridation of drinking water by adsorption using firebrick . Chiang Mai University/Chiang Mai.
Watcharee Saipanya. Defluoridation of drinking water by adsorption using firebrick. . Chiang Mai:Chiang Mai University, 2003.
Watcharee Saipanya. (2003) Defluoridation of drinking water by adsorption using firebrick . Chiang Mai University/Chiang Mai.