Towards participatory and multidisciplinary agricultural extension in Costa Rica : the case of the Universidad National /
Autor principal: | Rivera Rodríguez, Fernando Antonio |
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Formato: | Tesis Libro |
Lenguaje: | English |
Publicado: |
[S.l.] :
S.l.] : F.A. Rivera R. ,
1987
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Materias: |
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