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|a (Sirsi) i9789682444029
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|a (Sirsi) SBUV023058
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|a KN780.MX
|b B33
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1 |
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|9 367322
|a Báez Martínez, Roberto
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| 245 |
1 |
0 |
|a Derecho de la seguridad social
|c / Roberto Báez Martínez
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| 260 |
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|a México
|b : Trillas,
|c 1991.
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| 300 |
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|a 336 p.
|c ; 23 cm.
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| 504 |
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|a Bibliografía: p. 323-325.
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| 650 |
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|a Seguridad social
|x Leyes y legislación
|z México.
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| 596 |
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|a 9 31 43 72
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| 942 |
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|c LIBRO
|6 _
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| 999 |
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|c 14179
|d 14179
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