1. Arnold JEM (1983) Economic consideration in agroforestry projects. Agroforestry Systems 1: 299–311
2. Arnold JEM (1987) Forestry. In: Davis TJ and Schirmer IA, eds, Sustainability Issues in Agricultural Development. World Bank, Washington DC
3. Arrow KJ (1965) Aspects of the Theory of Risk Bearing. Academic Book store, Helsinki, Finland, 61 pp
4. Babu SC and Rajasekaran B (1990) Agroforestry Systems, Soil Fertility and Household Food Security — A Dynamic Economic Model. Mimeo Cornell University, Ithaca, New York
5. Babu SC and Hallam JA (1989) Evaluating agricultural energy policies under uncertainty: the case of electricity in south India. Agricultural Economics 3: 187–198