Thawatchai Sudjai และ Sathon Vijarnwannaluk. (2009) Aerosol optical properties over Amphoe Phimai, Changwat Nakhon Ratchasima, North Eastern Thailand. Chulalongkorn University:ม.ป.ท.Thawatchai Sudjai และ Sathon Vijarnwannaluk. 2009. Aerosol optical properties over Amphoe Phimai, Changwat Nakhon Ratchasima, North Eastern Thailand. ม.ป.ท.:Chulalongkorn University;Thawatchai Sudjai และ Sathon Vijarnwannaluk. Aerosol optical properties over Amphoe Phimai, Changwat Nakhon Ratchasima, North Eastern Thailand. ม.ป.ท.:Chulalongkorn University, 2009. Print.