| 000 | 00742nam a2200217 a 4500 | ||
|---|---|---|---|
| 005 | 20210219160056.0 | ||
| 008 | 080723s1977 mx r 000 0 spa d | ||
| 020 | _a9231010166 | ||
| 035 | _aUPN01000158005 | ||
| 049 | _aUNE | ||
| 080 | _a51(07) =20 TEN Vol.III. | ||
| 245 | 0 | 0 |
_aNew trends in mathematies teaching / _cprepared by the International Commission of Mathematical Instruction. |
| 260 |
_aParís : _bUNESCO, _c1977. |
||
| 300 |
_a145 p. : _bil. |
||
| 440 | 4 | _aThe Teaching of Basic Sciences : Mathematies | |
| 690 | _aEnseñanza de las matemáticas | ||
| 690 | _aInvestigación educacional - Enseñanza de las matemáticas | ||
| 690 | _aEvolución - Enseñanza de las matemáticas | ||
| 710 | 2 | _aUNESCO | |
| 905 | _aUNESCO | ||
| 999 |
_c130119 _d130119 |
||