000 | 00475nam a2200169 a 4500 | ||
---|---|---|---|
005 | 20210219160503.0 | ||
008 | 081109s1980 mx r 000 0 spa d | ||
035 | _aUPN01000166611 | ||
049 | _aUNE | ||
080 | _a378:331 (100) =20 DIC. | ||
100 | 1 | _aDickson, Alec | |
245 | 1 | 0 |
_aStudy service: problems and opportunities / _cAlec Dickson. |
260 |
_aParis : _bUNESCO, _c1980. |
||
300 | _a40 p. | ||
690 | _aEnseƱanza superior- Educacion y empleo | ||
905 | _aUNESCO | ||
999 |
_c138722 _d138722 |