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Man's environmental predicament : an introduction to human ecology in tropical Africa
Owen, Denis Frank, (1973)
Agricultural development schemes in sub-Saharan Africa
Freitag, Ruth S., (1963)
Agriculture tropicale : en millieu paysan africain
Dupriez, Hugues, (1983)
Assessing economic performance : some features of British economic development 1950 - 1965 in the light of economic theory and the principles of economic planning
Lipton, Michael, (1968)
Poverty, undernutrition, and hunger
Lipton, Michael, (1983)
Why poor people stay poor : a study of urban bias in world development
Lipton, Michael, (1977)