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_aRhoades, Robert E. _997144 |
| 245 |
_aUnderstanding small-scale farmers in developing countries _b: sociocultural perspectives on agronomic farm trials |
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| 500 | _aSobretiro de : Journal of Agronomic Education 13 : 64-68, 1984 | ||
| 590 |
_aBATCH-UPD _b10 _c20130110 _lUCH01 _h1252 |
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_aAgricultura _xExperimentación. _91476 |
| 650 | 1 | 4 |
_aAgricultura _xTrabajadores. _91840 |
| 650 | 1 | 4 |
_aSociología rural. _9108215 |
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