3Kodl M M, Mermelstein R. Beyond modeling: Parenting practices,parental smoking history, and adolescent cigarette smoking[J ]. Addictive Behaviors, 2004, 29( 1 ): 17 - 32.
4Kebede Y. Cigarette smoking and khat chewing among university instructors in Ethiopia[J]. East Afr Med J, 2002, 79(5) :274 - 278.
5Naing NN, Ahmad Z, Factors related to smoking habits of male secondary school teachers [ J ]. Southeast Asian J Trop Med Public Health, 2001,32(2) :434 - 439.
