| 000 | 00561nam a2200193 a 4500 | ||
|---|---|---|---|
| 005 | 20240420064006.0 | ||
| 008 | 011018s1981 mx r 000 0 spa d | ||
| 035 | _aUPN01000113238 | ||
| 049 | _aCG | ||
| 050 | 4 |
_aLB2838 _bI9.8 |
|
| 100 | 1 | _aIvanov, N. P. | |
| 245 | 1 | 0 |
_aScientific and technological progress and job qualification / _cN. P. Ivanov. |
| 260 |
_aParis : _bIIEP, _c1981. |
||
| 300 | _a56 p. | ||
| 440 | 0 |
_aIIEP research report ; _v45 |
|
| 650 | 4 |
_aCalidad de la educación _94684 |
|
| 650 | 4 |
_aMAESTROS - _xOFERTA Y DEMANDA _9844 |
|
| 905 | _aLibro | ||
| 999 |
_c87146 _d87146 |
||