000 00338nam a2200109Ia 4500
100 _aCalifornia Journal of Education Research;Vol XXIII No 1
942 _cBK
654 _a
245 _aCalifornia Journal of Education Research;Vol XXIII No 1
_bJan 1972
260 _aCalifornia
_bCalifornia Teachers Association
_c1972
082 _a370.7805
999 _c414455
_d414455
041 _aeng