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|a Rodríguez Briz, Fernanda.
|
| 245 |
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4 |
|a Los servicios de referencia virtual :
|b surgimiento, desarrollo y perspectivas a futuro /
|c Fernanda Rodríguex Briz.
|
| 250 |
# |
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|a 1a. ed.
|
| 260 |
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|a Buenos Aires :
|b Alfagrama,
|c 2006.
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|a 156 p.
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|a Bibliografía: p. 143-156.
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|2 agrovoc
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|a Servicios de referencia
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|a Referencia virtual
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|a 1 ej.
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