000 00463nam a2200133Ia 4500
008 220201s1975 xx 000 0 eng d
082 _a371.967PLA
245 0 _aPlanned variation in education : should we give up or try harder? /edited by Alice M. Rivlin.
260 _aWashington D.C.:
_bBrookings Institution,
_c1975
300 _axiv,184p.;23cm.
440 _aBrookings Studies in Social Experimentation
650 _aEducation - United States
942 _2ddc
_cMON
999 _c293
_d293