Parichat Ong-artborirak และ Wattasit Siriwong. (2016) Determination of occupational risk and exposure to pesticide residues on vegetables among greengrocers in fresh market Bangkok Thailand. Chulalongkorn University:ม.ป.ท.Parichat Ong-artborirak และ Wattasit Siriwong. 2016. Determination of occupational risk and exposure to pesticide residues on vegetables among greengrocers in fresh market Bangkok Thailand. ม.ป.ท.:Chulalongkorn University;Parichat Ong-artborirak และ Wattasit Siriwong. Determination of occupational risk and exposure to pesticide residues on vegetables among greengrocers in fresh market Bangkok Thailand. ม.ป.ท.:Chulalongkorn University, 2016. Print.