| 000 | 00559nam a2200181 a 4500 | ||
|---|---|---|---|
| 005 | 20210219160457.0 | ||
| 008 | 081109s1959 mx r 000 0 spa d | ||
| 035 | _aUPN01000166368 | ||
| 049 | _aUNE | ||
| 080 | _aOC 37 (100) =20 "1959" INN Vol. 21 | ||
| 245 | 0 | 0 | _aInternational yearbook of education, Vol. XXI, 1959. |
| 260 |
_aGeneva : _bIBE; _aParis : _bUNESCO,, _c1959. |
||
| 300 | _a550 p. | ||
| 440 | 0 |
_aIBE publication ; _v212. |
|
| 690 | _aSistemas educacionales- Anuarios | ||
| 710 | 2 | _aOIE. Oficina Internacional de Educación | |
| 905 | _aUNESCO | ||
| 999 |
_c138479 _d138479 |
||