000 00361nam a2200157 a 4500
003 DLC
005 20210219152755.0
022 _a0020-4277
035 _aUPN01000060677
245 0 0 _aINSTRUCTIONAL SCIENCE
260 _aHolanda :
_bKluwer Academic,
_c1971
310 _aBimestral
653 0 _aEDUCACION SUPERIOR
905 _aRevista
999 _c60408
_d60408