000 00286nam a2200133Ia 4500
100 _aTravers, John F.
365 _b109
942 _cBK
654 _a
245 _aEducational psychology
260 _aLondon
_bHarper & Row Publishers
_c1979
082 _a370.15
300 _axii,740
999 _c415490
_d415490
041 _aeng