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

 - 3rd. 
 - New Delhi :  Prentice-Hall,  2003. 
 - xi,387p. :  ill. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>8120311337 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research--Social research--Methods.<br/>Research--Social research--Methods.