000 00570nam a2200205 a 4500
005 20210219153349.0
008 991125n 000 0 u
035 _aUPN01000094186
100 _aJUSTMAN, Joseph
222 _aEDUCATIONAL FORUM
245 _aProblems of researches in large school systems
300 _a429-437
362 _a1968 Vol. 32, no. 4 may.
653 0 _aADMINISTRACION EDUCATIVA
653 0 _aFORMACION DE INVESTIGADORES
653 0 _aINVESTIGACION CIENTIFICA
653 0 _aPUBLICACIONES
904 _aAC
_b031997
905 _aArticulo
999 _c74978
_d74978