Nguyen และผู้แต่งคนอื่นๆ. 2011. Factors affecting cadmium and lead accumulation in vegetable production systems in Tuc Duyen ward, Thai Nguyen city, Vietnam. Field of Study Agricultural Systems, Chiang Mai University;
Nguyen และผู้แต่งคนอื่นๆ. (2011) Factors affecting cadmium and lead accumulation in vegetable production systems in Tuc Duyen ward, Thai Nguyen city, Vietnam . Chiang Mai University/Chiang Mai.
Nguyen และผู้แต่งคนอื่นๆ. Factors affecting cadmium and lead accumulation in vegetable production systems in Tuc Duyen ward, Thai Nguyen city, Vietnam. . Chiang Mai:Chiang Mai University, 2011.
Nguyen และผู้แต่งคนอื่นๆ. (2011) Factors affecting cadmium and lead accumulation in vegetable production systems in Tuc Duyen ward, Thai Nguyen city, Vietnam . Chiang Mai University/Chiang Mai.