Chorpaka Waneesorn. 2004. Application of farmer field school approach for pesticide-free vegetable production in peri-urban agriculture system. Field of Study Agriculture, Chiang Mai University;
Chorpaka Waneesorn. (2004) Application of farmer field school approach for pesticide-free vegetable production in peri-urban agriculture system . Chiang Mai University/Chiang Mai.
Chorpaka Waneesorn. Application of farmer field school approach for pesticide-free vegetable production in peri-urban agriculture system. . Chiang Mai:Chiang Mai University, 2004.
Chorpaka Waneesorn. (2004) Application of farmer field school approach for pesticide-free vegetable production in peri-urban agriculture system . Chiang Mai University/Chiang Mai.