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| 035 | _a74190 | ||
| 005 | 20221113013127.0 | ||
| 998 |
_aBATCH _b20061129 _zjanium |
||
| 008 | 040601nuuuuuuuu r u000 0 spa d | ||
| 020 | _a970-9034-63-4 | ||
| 082 | 0 | 4 | _a348.80972 V1953s |
| 100 | 1 | _aValls Hernández, Sergio | |
| 245 | 0 | 0 |
_aSeguridad social y derecho / _cSergio Valls Hernández. |
| 260 |
_aMéxico : _bTax, _c1999 |
||
| 300 | _a204 p. | ||
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_aSEGURIDAD SOCIAL _xMEXICO |
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| 650 | 4 |
_aDERECHO SOCIAL _xMEXICO |
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_c74154 _d74154 |
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