1. Anderson R (1978): Health status indices and access to medical care. Am J Pub Health, 58: 44 – 48.
2. Barrett LT (1978): The need for a focus in rural health services. Pub Health Rep, 90: 349.
3. Bryant J (1967): Health and the developing world. Cornell University Press, Ithaca, New York.
4. Cauffman JG (1970): Community health aides. How effective are they Am J Pub Health, 60: (10).
5. International Children’s Center (1977): Children in the Tropics, ICI, Paris, p. 100.