KOTHARI, C.R. <br/><br/>
Research Methodology: Methods & techniques. 

 - 2nd Ed. 
 - New Delhi,  New Age International (P) Ltd,  2004. 
 - xiv, 401p.: ill.; chart, graph, table   Index & References  25cm 
<br/><br/><label>ISBN: </label>81-224-1522-9 
<br/><br/><label>Dewey Class. No.: </label>001.43 KOT