Byanju และผู้แต่งคนอื่นๆ. 1998. Assessment of paraquat contamination in potable and surface waters from Sarapee district Chiang Mai province. Graduate School, Chiang Mai University;
Byanju และผู้แต่งคนอื่นๆ. (1998) Assessment of paraquat contamination in potable and surface waters from Sarapee district Chiang Mai province . Chiang Mai University/Chiang Mai.
Byanju และผู้แต่งคนอื่นๆ. Assessment of paraquat contamination in potable and surface waters from Sarapee district Chiang Mai province. . Chiang Mai:Chiang Mai University, 1998.
Byanju และผู้แต่งคนอื่นๆ. (1998) Assessment of paraquat contamination in potable and surface waters from Sarapee district Chiang Mai province . Chiang Mai University/Chiang Mai.