| 000 | 00353nam a2200121 u 4500 | ||
|---|---|---|---|
| 005 | 20210219155806.0 | ||
| 008 | 070926s1999 r 000 0 eng d | ||
| 035 | _aUPN01000152351 | ||
| 100 | 1 | _aSchelmelkes, Silvia | |
| 245 | 1 | 0 |
_aConferencia magistral : _bCalidad de la educación / _cSilvia Schelmelkes. |
| 260 |
_aMéxico : _bUPN, _c1999. |
||
| 905 | _aAu | ||
| 999 |
_c124474 _d124474 |
||