Young,Pauline V. <br/><br/>
Scientific social surveys and research 

 - 4th ed. 
 - Delhi:  PHI Learning Pvt Ltd. 
 - 576. 
<br/><br/><label>ISBN: </label>978-81-203-0085-9 
<br/><br/><label>Dewey Class. No.: </label> / YOU