Kamolchanok Khumsuwan. (2007) The factors related smoking of Thai youth in Kanchanaburi DSS during 2003 to 2004. Mahidol University,:ม.ป.ท.Kamolchanok Khumsuwan. 2007. The factors related smoking of Thai youth in Kanchanaburi DSS during 2003 to 2004. ม.ป.ท.:Mahidol University,;Kamolchanok Khumsuwan. The factors related smoking of Thai youth in Kanchanaburi DSS during 2003 to 2004. ม.ป.ท.:Mahidol University, 2007. Print.