Dooley, David. <br/><br/>
Social research methods. 

 - 4th ed. 
 - New Delhi :  Prentice Hall of India,  2001. 
 - xiv, 385 p. 
<br/><br/><label>ISBN: </label>8120331192 :  KES 855 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology--Research--Methodology.
<br/><br/><label>LC Class. No.: </label>HM571  / .D66 2001