1. In the Shadow of the City, Community Health and the Urban Poor,1988
2. Squatter Citizen: Life in the Urban Third World;Hardoy,1989
3. In the Shadow of the City, Community Health and the Urban Poor,1988
4. Why Poor People Stay Poor: Urban Bias in World Development;Lipton,1977
5. Peri-Urban Malnutrition. A Neglected Problem;Nelson;Assignment Children,1978