Thanasorn Wimolrattanasil. (2014) Emission factor vocs form non-point source: case study of chemical laboratory. Mahidol university:ม.ป.ท.Thanasorn Wimolrattanasil. 2014. Emission factor vocs form non-point source: case study of chemical laboratory. ม.ป.ท.:Mahidol university;Thanasorn Wimolrattanasil. Emission factor vocs form non-point source: case study of chemical laboratory. ม.ป.ท.:Mahidol university, 2014. Print.