| 000 | 00498nam a2200169 a 4500 | ||
|---|---|---|---|
| 005 | 20210219160457.0 | ||
| 008 | 081109s1969 mx r 000 0 spa d | ||
| 035 | _aUPN01000166356 | ||
| 049 | _aUNE | ||
| 080 | _aOC 37 (100) =20 "1968" INN Vol. 30 | ||
| 245 | 0 | 0 | _aInternational yearbook of education, Vol. XXX, 1968. |
| 260 |
_aGeneva : _bIBE, _aParis, _bUNESCO, _c1969. |
||
| 300 | _a566 p. | ||
| 440 | 0 |
_aIBE publication ; _v322. |
|
| 690 | _aSistemas educaciones- Anuarios | ||
| 905 | _aUNESCO | ||
| 999 |
_c138467 _d138467 |
||