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| 005 | 20221114153539.0 | ||
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_aBATCH _b20061129 _cPT21 _d20081007 _zjanium |
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| 020 | _a970-07-4591-0 | ||
| 082 | 0 | 4 | _a658.46 R4574f |
| 100 | 1 | _aReyes Krafft, Alfredo Alejandro | |
| 245 | 0 | 3 |
_aLa firma electrónica y las entidades de certificación / _cAlfredo Alejandro Reyes Krafft |
| 260 |
_aMéxico : _bPorrúa, _c2003 |
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| 300 | _ax, 260 p. | ||
| 650 | 4 | _aCONTRATOS DE SERVICIOS | |
| 650 | 4 | _aSERVICIOS DE INFORMACION | |
| 650 | 4 |
_aNEGOCIOS _xADMINISTRACION |
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