1. Economic analysis in the design of new technologies for small farmers;Andersen,1979
2. NAFPP cassava/maize production recommendations: A socioeconomic survey of adopters in four states of Nigeria;Ezeh,1981
3. Perspectives on assessing the impacts of improved agricultural technologies in developing countries;Hardakar;Aust. J. Agric. Econ.,1984
4. Price theory and applications;Hirshleifer,1976
5. Technology development and transfer: The NAFPP approach;Odurukwe,1983