Factors associated with farmers' perception of agricultural extension in Antioquia, Colombia.
Doctor of Education
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| Formato: | doctoralThesis |
| Lenguaje: | Inglés |
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National University of Colombia
1971
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| Acceso en línea: | http://hdl.handle.net/20.500.12324/28804 |
| Sumario: | Doctor of Education |
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