| 000 | 00660nam a2200217 a 4500 | ||
|---|---|---|---|
| 005 | 20210219160107.0 | ||
| 008 | 080730s1987 mx r 000 0 spa d | ||
| 020 | _a9231024477 | ||
| 035 | _aUPN01000158481 | ||
| 049 | _aUNE | ||
| 080 | _a57(07) =20 TEN Vol.V. | ||
| 245 | 0 | 0 | _aNew trends in biology teaching. |
| 260 |
_aParis : _bUNESCO, _c1987. |
||
| 300 |
_a222 p. : _bil. |
||
| 440 | 4 |
_aThe teaching of basic sciences. _pBiology ; _vV |
|
| 690 | _aEnseñanzade la biología - Ecología humana | ||
| 690 | _aBiología - Materias del curriculo | ||
| 690 | _aLaoratorios escolares - Enseñanza de la biología | ||
| 710 | 2 | _aUNESCO | |
| 905 | _aUNESCO | ||
| 999 |
_c130595 _d130595 |
||