00335nam a2200109Ia 4500008004100000040003800041100001900079245005000098260003200148300001800180653002700198211228s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aRoyer, James M 0aEducational psychology: applications & theory  bAlfred AknoptaN Yorkc1984  axviii,640p p.  aEducational psychology