000 00268nam a2200121Ia 4500
100 _aCronbach L J
942 _cBK
245 _aEducational psychology
260 _aLondon
_bStapples press
_c1961
082 _a370.15
_bCro
300 _axxvii, 628
546 _aEnglish
999 _c333912
_d333912
041 _aeng