1. Market effects of research;Alston;Am. J. Agric. Econ.,1988
2. Science Under Scarcity: Principles and Practice for Agricultural Research Evaluation and Priority Setting;Alston,1995
3. Agricultural Decision Analysis;Anderson,1977
4. Farm Planning with Linear Programming: Concept and Practice;Dent,1986
5. Research and technical progress: the returns to producers;Duncan;Econ. Record,1971