4Anderson Barbara,Romani John H.,Phillips Heston E.,van Zyl,Johan A.(2002),Environment,Access to Health Care,and Other Factors Affecting Infant and Child Survival among the African and Coloured Populations of South Africa:1989-1994,Population and Environm ent,23(4),pp.349-363.
5Behrman,J.(1996),The Impact of Health and Nutrition on Education,The World Bank Research Observer 11(1):pp.23-37.
6Edwards L.,Grossman M.(1978),Children's Health and the Family,NBER Working Papers 0256,National Bureau of Economic Research,Inc.
7Kitagawa,Evelyn,M.& Hauser,Philip,M.(1973),Differential Mortality in the United States:A Study in Socioeconomic Epidemiology,Cambridge:Harvard University Press.
8Schultz,T.Paul(1984),Studying the Impact of Household Economic and Community Variables on Child Mortality,Population and Development Review(Supplement),10:pp.215-235.