Costs and benefits of agricultural research : the state of the arts /
Autores principales: | Schuh, G. Edward 1930- (Autor, Autor/a), Tollini, Helio (Autor/a) |
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Formato: | Libro |
Lenguaje: | English |
Publicado: |
Washington :
World Bank,
1979.
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Materias: |
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