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UNA01000019964 |
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20150818153331.0 |
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080728s2015 xxka r 000 0 eng d |
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|a 9780521732321
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| 040 |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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|a SIDUNA
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| 082 |
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|a 428.2
|b U72g
|2 21
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|a Ur, Penny
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|a Grammar practice activities :
|b a principal guide for teachers /
|c Penny Ur.
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| 250 |
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|a 2. ed., 9. reimpr.
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| 260 |
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|a New York :
|b Cambridge University Press ,
|c 2015.
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| 300 |
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|a 322 p. :
|b il. ;
|c 24 cm. +
|e 1 disco óptico de computadora : col., 4 3/4 plg.
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| 650 |
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|a INGLES
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|a ENSEÑANZA
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| 650 |
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|a ESTUDIANTES EXTRANJEROS
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| 650 |
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|a GRAMATICA
|