1. Cahalan, D., Cisin, I. H., & Crossley, H. M. (1969). American drinking practices: A national study of drinking behavior and practices. New Brunswick, NJ: Rutgers Center of Alcohol Studies.
2. Derogatis, L. R. (1983).SCL-90-R: Administration, scoring, and procedures manual-II. Baltimore: Clinical Psychometric Research.
3. Hall, R. C. W., Popkin, M. K., DeVaul, R., & Stickney, S. K. (1977). The effect of unrecognized drug abuse on diagnosis and therapeutic outcome.American Journal of Drug and Alcohol Abuse, 4, 455?465.
4. Hansen, D. J., St. Lawrence, J. S., & Christoff, K. A. (1985). Effects of interpersonal problem-solving with chronic aftercare patients on problem-solving component skills and effectiveness of solutions.Journal of Consulting and Clinical Psychology, 53, 167?174.
5. Larson, L. M., & Heppner, P. P. (1989). Problem-solving appraisal in an alcoholic population.Journal of Consulting Psychology, 36, 73?78.