1. ALBEE, G.W. (1959) Mental Health Manpower Trends. New York: Basic Books
2. Prevention is the answer.;ALBEE;Open Mind,1959
3. BENDER, M. (1976) Community psychology. London: Methuen
4. CAPLAN, G. (1964) Principles of Preventive Psychiatry. New York: Basic Books
5. CASSEL, J. (1976) The contribution of the social environment to host resistance. American Journal of Epidemiology, 104(2), 107-123