Tobacco Use among Teenage School Children in the District of Colombo, Sri Lanka

Prasad KatulandaKremlin WickramasingheSupun KulatungaDavid MatthewsIsurujith LiyanageIndika KarunathilakeA.C.A. PathiranaIndunil PiyadigamaPaula H. PalmerThamal Withanage2026-06-022026-06-022009https://203.71.86.71/handle/123456789/41222en-US資訊處2009年APACPH研討會論文集Tobacco Use among Teenage School Children in the District of Colombo, Sri Lankaconference