1. Drug use and school dropout: A longitudinal study;Annis;Can. Counsellor,1975
2. Drug use and achievement;Carlin;Int. J. Addict.,1974
3. Proc. 1st International Conference on Student Drug Surveys;Haberman,1972
4. Reaching the hard-to-reach: Illicit drug use among high school absentees;Kandel;Addict. Dis.,1975
5. Young Men and Drugs: A Nationwide Study;O'Donnell;National Institute on Drug Abuse Monograph No. 5,1976