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00805cam a2200217 4500 |
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080908t1993 us a||pg||||||||||||eng|| |
| 020 |
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|a 0866470743
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| 040 |
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|a Sistema Bibliotecario Universidad de El Salvador
|b spa
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| 041 |
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|a eng
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| 082 |
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|a 428
|b N425
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| 100 |
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|a Nelson, Gayle
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| 245 |
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|a Operations in English :
|b 55 natural and logical sequences for language acquisition /
|c Gayle Nelson, Thomas Winters
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| 260 |
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|a United States :
|b Pro Lingua Associates,
|c 1993
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| 300 |
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|a 104p. ;
|b il.
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| 650 |
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|a INGLES ENSEÑANZA
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| 700 |
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|a Winters, Thomas
|e coautor
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| 991 |
|
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|a eco_sandra
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| 992 |
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|a 08/09/2008
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| 942 |
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|c BK
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| 999 |
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|c 46668
|d 46668
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|6 428_000000000000000_N425
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|8 CG
|9 76254
|a 18
|b 18
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|d 2012-08-16
|i 18009199
|o 428 N425
|p 18009199
|r 2012-08-16
|w 2012-08-16
|y BK
|x 080908
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