000 00319nam a2200121Ia 4500
082 _a370.78
_bCEC
100 _aCERI
_9709
245 _aCase studies for educational innovation
_b: iv. strategies for innovation in education
_cCERI
260 _aParis
_bOECD
_c1973
300 _b5 vol.
_a296p
546 _aeng
942 _cBK
999 _c24287
_d24287