Ratchadaporn Ungcharoen. 2009. Predicting cigarette, smoking cessation intention among vocational education's students, Bangkok : application of the theory of planned behaviorRatchadaporn Ungcharoen. Faculty of Medicine Siriraj Hospital, Mahidol University;
Ratchadaporn Ungcharoen. (2009) Predicting cigarette, smoking cessation intention among vocational education's students, Bangkok : application of the theory of planned behaviorRatchadaporn Ungcharoen . Mahidol University/Bangkok.
Ratchadaporn Ungcharoen. Predicting cigarette, smoking cessation intention among vocational education's students, Bangkok : application of the theory of planned behaviorRatchadaporn Ungcharoen. . Bangkok:Mahidol University, 2009.
Ratchadaporn Ungcharoen. (2009) Predicting cigarette, smoking cessation intention among vocational education's students, Bangkok : application of the theory of planned behaviorRatchadaporn Ungcharoen . Mahidol University/Bangkok.