1. Economic and Social Indicators of Development, by Income Groups and by Region;Martin,1980
2. Energy and Agriculture in the Third World;Makhijani,1975
3. The Gambia: A Wood Consumption Survey and Timber Trend Study, 1973–2000;Openshaw,1973
4. Energy in the Rural Third World;Makhijani,1980
5. Environment, energy and the need for new technology