000 00291nam a2200121Ia 4500
082 _a371.207
_bORI
245 _aIndicators of performance of educational systems
260 _aParis:
_bOECD,
_c1973
300 _a104p.
546 _aeng
650 _aEducational planning
_9196272
942 _cBK
999 _c24558
_d24558