1. Baumeister, E. (1999). Empleo e ingreso rural no agrı́cola en Nicaragua: evidencia de un estudio a escala municipal. Paper presented at the workshop Desarrollo del Empleo Rural No Agrı́cola sponsored by Inter-American Development Bank, Economic Commission for Latin America and the Caribbean, the UN Food and Agricultural Organizational Regional Office for Latin America and the Caribbean, and the International Network for Research in Farming Systems, Santiago, Chile, September 6–8
2. Rural nonfarm incomes and employment in Chile;Berdegué;World Development,2001
3. Davis, B., Carletto, G. & Sil, J. (1997). Los hogares agropecuarios en Nicaragua: un analisis de tipólogia. United Nations Food and Agricultural Organization and University of California at Berkeley, November
4. Income Strategies among rural households in Mexico: The role of off-farm activities;de Janvry;World Development,2001
5. The analysis of household surveys: A microeconometric approach to development policy;Deaton,1997