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CATIE-ROCAP project on small farm cropping systems
(CATIE, Turrialba (Costa Rica), 1975)
Development of adapted methodologies and techniques for firewood production: summary of project proposal
(CATIE, Turrialba (Costa Rica). Programa de Recursos Naturales Renovables, 1979)
Farming systems in Central America: proposal for the second project phase
(CATIE, Turrialba (Costa Rica), 1981-10)
Methodology of the farming systems project in Central America.
(Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), Turrialba (Costa Rica), 1980)
Impact indicators institutional development plan
(CATIE, Turrialba (Costa Rica), 1995)