00513nam a22002057a 450000500170000001000110001702000100002803500110003803700160004904000120006508200160007710000210009324500500011426000350016427000120019930000350021150000200024665000140026665000270028020170124110023.0  a130226  c00.00  a130226  bCen Lib/Ret  aDPLbEN  a370.15bCRO  aCronbach, Lee J.  aEducational psychology /cby Lee J. Cronbach   aLondon bStepless Press c1954  bLondon   axxvii, 628p. ;c23cm(Hb)bill.  aIncludes index   aEducation  aPsychological aspects