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| LEADER |
00707nam a22001931a 4500 |
| 001 |
UNA01000042190 |
| 005 |
20120328190741.0 |
| 008 |
080728s1970 000 0 spa d |
| 040 |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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| 082 |
0 |
4 |
|a 372.7
|b N277L
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| 100 |
1 |
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|a National Council of Teachers of mathematics
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| 245 |
1 |
0 |
|a Lógica /
|c National Council of Teachers of Mathematics, Centro Regional de ayuda técnica
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| 250 |
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|a 1a. ed.
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| 260 |
|
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|a México :
|b Editorial Trillas ,
|c 1970
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| 300 |
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|a 64 p. ;
|c 22 cm.
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| 500 |
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|a Título original: Topics in mathematics for elementary school teachers
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| 650 |
0 |
4 |
|a LOGICA
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| 650 |
0 |
4 |
|a MATEMATICAS
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| 700 |
1 |
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|a Centro Regional de ayuda técnica
|