Anchaleeporn Boonpongsri. 1998. Cigarette purchasing behavior of serm secondary school students Phonphisai district, Nongkhai province. Bangkok:Mahidol University;
Anchaleeporn Boonpongsri. (1998) Cigarette purchasing behavior of serm secondary school students Phonphisai district, Nongkhai province (รายงานผลงานวิจัย). Mahidol University:Bangkok.
Anchaleeporn Boonpongsri. Cigarette purchasing behavior of serm secondary school students Phonphisai district, Nongkhai province. Bangkok:Mahidol University, 1998.
Anchaleeporn Boonpongsri. (1998) Cigarette purchasing behavior of serm secondary school students Phonphisai district, Nongkhai province (รายงานผลงานวิจัย). Mahidol University:Bangkok.