1. Anandajayasekeram, P., Davis, K. and Workneh, S. 2007. Farmer field schools: An alternative to existing extension systems? Experience from Eastern and Southern Africa. Journal of International Agricultural and Extension Education 14(1):81–93.
2. Aristizábal, A., Salazar, L.F., E., Mejía, H.M., M, C.G. 2002. Cambios en la adopción de los componentes del manejo integrado de la broca del café, Hypothenemus hampei (Coleoptera: Scolytidae), a través de metodologías participativas con agricultores. Revista Colombiana de Entomología (Colombia) 28(2):153–160.
3. Baker, P.S. 1999. The Coffee Berry Borer in Colombia. Silwood Park, Ascot, UK, CABI Bioscience. 144 pp.
4. Bentley, J.W. 2006. Folk experiments. Agriculture and Human Values 23(4):451–462.
5. Bentley, J.W. and Baker, P.S. 2002. Manual for Collaborative Research with Smallholder Coffee Farmers. CABI Commodities, Egham, 130 pp.