1. Badura B. & Kickbusch I. (Eds.). (1991). Health promotion research: Towards a new social epidemiology. Copenhagen Denmark: World Health Organization.
2. Belloc N.B. & Breslow L. (1972). Relationship of physical health status and health practices. Preventive Medicine 1 409-421.
3. Belloc N.B. Breslow L. & Hochstim J.R (1971). Measurement of physical health in a general population survey. American Journal of Epidemiology 93 328-336.
4. Boyd MA (1988). Level of wellness of nursing students. Health Values 22(5) 14-20.
5. Bracht N. (Ed.). (1990). Health promotion at the community level. London England: Sage.