Study on characterization of students with smoking habits, and not smoking. It was found that the environmental benefits such as control of the parents and of parents and friends.
In a study in classifying students have the habit of smoking and non-smoking. The environment, including the control of their parents and their parents as role models and friends.
In a study in classified students smoking behavior and smoking, it was found that the environment, including control of the parents and the role model of parents and friends.