A Systems approach to agricultural research resource allocation in developing countries Auteur(s) : Pinstrup-Andersen, Per Centro Internacional de Agricultura Tropical | Partager |
Report on a field visit to Cacaotal, January 22-30, 1974 Auteur(s) : Bradfield, Stillman, 1930- Programa de Sistemas para Pequeños Agricultores Centro Internacional de Agricultura Tropical | Partager |