| 000 | 00545nam a2200181 a 4500 | ||
|---|---|---|---|
| 005 | 20210223130822.0 | ||
| 008 | 081109s1957 mx r 000 0 spa d | ||
| 035 | _aUPN01000166314 | ||
| 049 | _aUNE | ||
| 080 | _aOC 058.7: 37.014.77 (100) =20 REP No.23. | ||
| 245 | 0 | 0 | _aAn International list of educational periodicals. |
| 260 |
_aParis : _bUNESCO, _c1957. |
||
| 300 | _a200 p. | ||
| 440 | 0 |
_aEducational studies and documents ; _v23. |
|
| 690 | _aPublicaciones educacionales periodicas | ||
| 690 |
_aDirectorios _92281 |
||
| 905 | _aUNESCO | ||
| 999 |
_c138425 _d138425 |
||