//-->
Land, food and people : based on the FAO/UNFPA/IIASA report "Potential population-supporting capacities of lands in the developing world"
Harrison, Paul, (1984)
Reflections on agricultural development, population growth, and the environment
Nerlove, Marc L., (1996)
Productivity and environmental conservation under rapid population growth : a case study of Machakos District
Tiffen, Mary, (1993)