Kamolchanok Khumsuwan. 2007. The factors related smoking of Thai youth in Kanchanaburi DSS during 2003 to 2004. Field of Study Population and Social Research, Mahidol University;
Kamolchanok Khumsuwan. (2007) The factors related smoking of Thai youth in Kanchanaburi DSS during 2003 to 2004 . Mahidol University/Bangkok.
Kamolchanok Khumsuwan. The factors related smoking of Thai youth in Kanchanaburi DSS during 2003 to 2004. . Bangkok:Mahidol University, 2007.
Kamolchanok Khumsuwan. (2007) The factors related smoking of Thai youth in Kanchanaburi DSS during 2003 to 2004 . Mahidol University/Bangkok.