Tanaporn Na-Chiangmai. 1997. Determination of anions and cations in drinking water by ion chromatography. Chiang Mai:Chiang Mai University;
Tanaporn Na-Chiangmai. (1997) Determination of anions and cations in drinking water by ion chromatography (รายงานผลงานวิจัย). Chiang Mai University:Chiang Mai.
Tanaporn Na-Chiangmai. Determination of anions and cations in drinking water by ion chromatography. Chiang Mai:Chiang Mai University, 1997.
Tanaporn Na-Chiangmai. (1997) Determination of anions and cations in drinking water by ion chromatography (รายงานผลงานวิจัย). Chiang Mai University:Chiang Mai.