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s1967 s1967 xxu ||||| eng |
| 035 |
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|a 92698
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| 040 |
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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| 041 |
0 |
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|a eng
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| 082 |
0 |
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|a 510.712
|b S445u
|2 00
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| 110 |
2 |
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|a Secondary School Mathematics Curriculum Improvement Study
|e Autor/a
|4 aut
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| 245 |
1 |
0 |
|a Unified modern mathematics :
|b course I.
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| 250 |
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|a Ed. rev.
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| 260 |
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|a Columbia :
|b Board of Trustees of Teachers College Columbia University,
|c 1967.
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| 300 |
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|a 2 volúmenes :
|b ilustraciones ;
|c 28 cm
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| 949 |
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|a -LV b AM
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| 916 |
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|a Registros del LS-2000
|