000 | 00419nam a2200157 a 4500 | ||
---|---|---|---|
005 | 20210219153228.0 | ||
008 | 991125n 000 0 spa u | ||
035 | _aUPN01000084749 | ||
100 | _aTheesz Poschner, Margarita | ||
222 | _aPISTAS EDUCATIVAS | ||
245 | _aLa investigación educativa en la U. N. A. M. | ||
300 | _a7-20 | ||
362 | _a1990 No. 51, ene.-feb. | ||
904 |
_aAC _b022560 |
||
905 | _aArticulo | ||
999 |
_c71458 _d71458 |