00453cam a2200169ua 45000010005000000080039000050400009000440820011000531000021000642450057000852500009001422600043001513000017001946530014002116530038002257000020002632222111126n        ii  |||gr||||Z||||||eng  cMAIN  a370.15  aSarkar,eEditor.1 aStudies in educational psychologycby Sarkar & Mitra  a1st.  aCalcutta:bBhabani publishing concern.  a220p:c23cm.  aEducation  aStudies in educational psychology  aMitra,eEditor.