Bryman, Alan <br/><br/>
Social research methods 

 - New  "Delhi, Oxford University Press,    "  2016 
 - xiii, 600 p.  includes bibliographical references and index 
<br/><br/> Bibliography chapterwise 
<br/><br/><label>ISBN: </label>9780198755951 
<br/><br/><label>Source: </label> Textbook