N.C.E.R.T. <br/><br/>
Child Psychology  A Test Book Fopr Class XII 

 - New Delhi  National council of educational research and training  1980 
 - 139 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>155.4