| 000 | 00965nam a22003017a 4500 | ||
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| 003 | CHAP | ||
| 005 | 20220329134635.0 | ||
| 008 | 971013s1963 r 00010 d | ||
| 010 | _a23463 | ||
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| 035 | _a28534 | ||
| 040 | _cCHAP | ||
| 100 | 0 | 0 |
_aChena González, Rodolfo. _922135 |
| 245 | _aPerceptions of extensión work in México | ||
| 260 |
_a(s.l.) : _bEl autor, _c1963 |
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| 300 | _aPág. varía | ||
| 500 | _aThesis (Doctor of Phylosophy) -- Cornell University. Graduate School | ||
| 590 |
_aBATCH-UPD _b10 _c20130110 _lUCH01 _h0046 |
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| 590 |
_aBATCH-UPD _b10 _c20130110 _lUCH01 _h2039 |
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_aBATCH-UPD _b10 _c20130410 _lUCH01 _h1353 |
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| 590 |
_aCONVERSION _b10 _c20130109 _lUCH01 _h1314 |
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| 650 | 1 | 4 |
_aExtensión agrícola _xMéxico. _939173 |
| 901 | _aBK | ||
| 942 | _cTESIS | ||
| 949 |
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