Gotchagorn Sannarm. 1993. Biological surveillance using macroinvertebrate communities of the quality of the Mae Kwuang river the Northern Region Industrial Estate. Graduate School, Chiang Mai University;
Gotchagorn Sannarm. (1993) Biological surveillance using macroinvertebrate communities of the quality of the Mae Kwuang river the Northern Region Industrial Estate . Chiang Mai University/Chiang Mai.
Gotchagorn Sannarm. Biological surveillance using macroinvertebrate communities of the quality of the Mae Kwuang river the Northern Region Industrial Estate. . Chiang Mai:Chiang Mai University, 1993.
Gotchagorn Sannarm. (1993) Biological surveillance using macroinvertebrate communities of the quality of the Mae Kwuang river the Northern Region Industrial Estate . Chiang Mai University/Chiang Mai.