Bijaya Shrestha และ Oranut Pacheun. (2014) Response to road traffic injuries among royal Thai traffic police in Nakon Ratchasima province. Mahidol University:ม.ป.ท.Bijaya Shrestha และ Oranut Pacheun. 2014. Response to road traffic injuries among royal Thai traffic police in Nakon Ratchasima province. ม.ป.ท.:Mahidol University;Bijaya Shrestha และ Oranut Pacheun. Response to road traffic injuries among royal Thai traffic police in Nakon Ratchasima province. ม.ป.ท.:Mahidol University, 2014. Print.