Festinger L <br/><br/>
Research methods in the behavioural sciences 

 - New Delhi  American Pub.       1970 
 - 660p. ill.  cm 
<br/><br/><label>ISBN: </label>000000 (hbk) 
<br/><br/><label>Standard No.: </label>198771 
<br/><br/><label>Source: </label> Textual