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150520s1976 pn ||||| |||| 00| 0 spa d |
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|a Sistema de Bibliotecas de la Universidad de Panamá
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| 082 |
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4 |
|a T 428.246
|b C31
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| 100 |
1 |
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|9 174769
|a Cazabón Q., Bertie G.
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| 245 |
1 |
4 |
|a The use of reinforcement techniques in the learning of english as a foreign language wirh fifteen students of first year at Colegio Dr. Alfredo Cantón
|c / by Bertie G., Cazabón Q.
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| 260 |
|
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|a Panamá :
|b Universidad,
|c 1976.
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| 300 |
|
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|a ix, 102p. ;
|c 28 cm
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| 650 |
|
7 |
|9 133014
|a INGLES
|x ESTUDIO Y ENSEÑANZA
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| 942 |
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|2 ddc
|c TS
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| 999 |
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|c 154260
|d 154260
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| 952 |
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|0 0
|1 0
|2 ddc
|4 0
|5 0
|6 T_428_246000000000000_C31
|7 0
|8 T
|9 274826
|a 10
|b 10
|c 15
|d 2015-05-20
|o T 428.246 C31
|p 00193462
|r 2015-05-20
|t e.1
|w 2015-05-20
|y TS
|