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Nguyen และผู้แต่งคนอื่นๆ. Monitoring and assessment of potential risk for heavy metals contamination in surface and ground water at Mae Moh mine and power plant Changwat Lampang. . Chiang Mai:Chiang Mai University, 1999.

Nguyen และผู้แต่งคนอื่นๆ. (1999) Monitoring and assessment of potential risk for heavy metals contamination in surface and ground water at Mae Moh mine and power plant Changwat Lampang . Chiang Mai University/Chiang Mai.