| 000 | 00685nam a2200193 a 4500 | ||
|---|---|---|---|
| 005 | 20240924065539.0 | ||
| 008 | 991125s1949 fr 000 0 fre u | ||
| 035 | _aUPN01000035392 | ||
| 049 | _aCG | ||
| 050 | 4 |
_aL10 _bI69 no.110 |
|
| 111 | 2 |
_aConférence Internationale de l'Instruction Publique _n(12a : _d1949 : _cGinebra, Suiza) |
|
| 245 | 1 | 0 | _aLimitiation aux sciences naturelles a l'école primaire. |
| 260 |
_aGinebra : _bInternational Bureau of Education, _c1949. |
||
| 300 | _a178 p. | ||
| 440 | 0 |
_aBureau International d'Education. _pPublication ; _v110 |
|
| 650 | 4 |
_aCiencias naturales _xEstudio y enseñanza (Elemental) _92812 |
|
| 650 | 4 |
_aEducación _9682 |
|
| 905 | _aLibro | ||
| 999 |
_c35392 _d35392 |
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