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| 082 |
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|a 025
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| 092 |
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|c 025
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| 100 |
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|a Rodriguez Britz, Fernanda
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| 264 |
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|b Alfagrama
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| 250 |
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|a 1a. ed.
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| 300 |
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|a 156 p. ; il. (Biblioteca alfagrama)
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| 650 |
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|a BIBLIOTECOLOGIA
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| 650 |
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|a BIBLIOTECONOMIA
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| 650 |
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|a SERVICIOS BIBLIOTECARIOS
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| 650 |
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|a REFERENCIAS BIOGRAFICAS
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| 245 |
0 |
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|a Los servicios de referencia virtual
|b surgimiento, desarrollo y perspectivas a futuro
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| 260 |
0 |
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|a Buenos Aires
|c 2005
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| 020 |
0 |
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|a 987-22074-2-9
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