©2013 National Research Council of Thailand
Sittichai Wirojanupatump. 1994. High performance liquid chromatographic determination of 2, 4-dichlorophenoxyacetic acid in water after solid phase extraction. Graduate School, Chiang Mai University;
Sittichai Wirojanupatump. (1994) High performance liquid chromatographic determination of 2, 4-dichlorophenoxyacetic acid in water after solid phase extraction . Chiang Mai University/Chiang Mai.
Sittichai Wirojanupatump. High performance liquid chromatographic determination of 2, 4-dichlorophenoxyacetic acid in water after solid phase extraction. . Chiang Mai:Chiang Mai University, 1994.
Sittichai Wirojanupatump. (1994) High performance liquid chromatographic determination of 2, 4-dichlorophenoxyacetic acid in water after solid phase extraction . Chiang Mai University/Chiang Mai.