1. Planning, Policy Analysis and Public Spending: Theory and the Papua New Guinea Practice;Allan,1982
2. The Gezira Scheme: production of cotton and reproduction of underdevelopment;Barnett,1975
3. The Gezira Scheme: an Illusion of Development;Barnett,1977
4. The World Bank project cycle;Baum;Finance and Development,1978
5. Investment Projects in Agriculture;Benjamin,1985