1. Akers, R. L. (1985). Deviant behavior: A social learning approach (3rd 4 . ) .Belmont, CA: Wadsworth.
2. The sick physician. Impairment by psychiatric disorders, including alcoholism and drug dependence
3. Bandura, A. (1977). A social learning theory.Englewood Cliffs, NJ: Prentice-Hall.
4. Becker, M. (1974). Zke health belief model and personal health behavior.San Francisco: Society for Public Health Education.
5. Becker, M., Haefner, D., Kasl, S., Kirscht, J., Maiman, L. & Rosenstock, I. (1977). Selected psychosocial models and correlates of individual health-related behaviors.Medical Care, 15 (5, Suppl.), 27-46.