Acting Sub. Lt. Gowit Sarutephan และ Pet Techarat. (2016) The study of air pollution problem in Ratchaburi province by geographic information system and remote sensing. Mahidol University:ม.ป.ท.Acting Sub. Lt. Gowit Sarutephan และ Pet Techarat. 2016. The study of air pollution problem in Ratchaburi province by geographic information system and remote sensing. ม.ป.ท.:Mahidol University;Acting Sub. Lt. Gowit Sarutephan และ Pet Techarat. The study of air pollution problem in Ratchaburi province by geographic information system and remote sensing. ม.ป.ท.:Mahidol University, 2016. Print.