Sairoong Ouypornkochagorn. (1997) Development of ion chromatographic method for the analysis of arsenic and its application to environmental samples. Mahidol University,:ม.ป.ท.Sairoong Ouypornkochagorn. 1997. Development of ion chromatographic method for the analysis of arsenic and its application to environmental samples. ม.ป.ท.:Mahidol University,;Sairoong Ouypornkochagorn. Development of ion chromatographic method for the analysis of arsenic and its application to environmental samples. ม.ป.ท.:Mahidol University, 1997. Print.