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|a AR-CrUNPB
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|a Philippakis, Andreas S.
|9 19760
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|a Cobol estructurado /
|c Andreas S Philippakis.
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| 250 |
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|a 3a.ed.
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|a México, D.F. :
|b McGraw-Hill,
|c 1992.
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|a 502 p.
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| 590 |
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|a Corregido por vc20201211
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| 650 |
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|a LENGUAJES DE PROGRAMACION
|2 Unescot
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|a LG19931221
|c vc20201211
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|2 ddc
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|c 51981
|d 51981
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