The researchers conducted a survey about Hazardous effect of smoking to M.2/4 EP students of Boonwattana School. They interviewed 27 students consisting of 11 males and 16 females.
The researchers conducted a survey about Hazardous effect of smoking to M.2/4 EP students of Boonwattana School. They interviewed 27 students consisting of 11 males and 16 females.