000 00464nam a2200145Ia 4500
008 211231s9999 xx 000 0 und d
020 _a0 309 04986 5
040 _cJayakar Knowledge Resource Centre
100 _aNatinal Educational council
245 0 _aMeasuring what counts: a policy brief
260 _bNational Academy Press
_aWashington
_c1993
300 _ax,22p. p.
653 _aMathematics--Study and teaching--United States--Evaluation
942 _c1
999 _c285403
_d285403