Jinchula Chotpitayasunon และ Sathon Vijarnwannaluk. (2009) Variation in aerosol concentration and composition over Changwat Nakhon Ratchasima, Thailand. Chulalongkorn University:ม.ป.ท.Jinchula Chotpitayasunon และ Sathon Vijarnwannaluk. 2009. Variation in aerosol concentration and composition over Changwat Nakhon Ratchasima, Thailand. ม.ป.ท.:Chulalongkorn University;Jinchula Chotpitayasunon และ Sathon Vijarnwannaluk. Variation in aerosol concentration and composition over Changwat Nakhon Ratchasima, Thailand. ม.ป.ท.:Chulalongkorn University, 2009. Print.