Singh, S N. <br/><br/>
Research theories in psychology 

 - 1st ed. 
 - New Delhi  Centrum press 
 - viii, 288 
 - NULL .
<br/><br/><label>ISBN: </label>9789350849811 
<br/><br/><label>Dewey Class. No.: </label>150.19  SIN;1  R