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_aBrown, Marion R. _915679 |
| 245 | _aAgricultural "extension" in Chile ; a study of institutional transplantation | ||
| 500 | _aSobretiro de : J. of Developing Areas 4 : 197-210, 1970 | ||
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_aBATCH-UPD _b10 _c20130110 _lUCH01 _h0254 |
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_aCONVERSION _b10 _c20130109 _lUCH01 _h1315 |
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_aExtensión agrÃcola _xChile. _939152 |
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