Sravoot Bovornkijprasert และ Wee Rawang. (2015) Integration of environmental education and environmental law enforcement for police officers. Mahidol University:ม.ป.ท.Sravoot Bovornkijprasert และ Wee Rawang. 2015. Integration of environmental education and environmental law enforcement for police officers. ม.ป.ท.:Mahidol University;Sravoot Bovornkijprasert และ Wee Rawang. Integration of environmental education and environmental law enforcement for police officers. ม.ป.ท.:Mahidol University, 2015. Print.