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

 - 2th Ed, 
 - India,  New Age International(p) Limited, Publisher,  2004. 
 - xvi,398p,:ill,table,figure,  Appendix,Reference, Index,  24cm. 
<br/><br/><label>ISBN: </label>81-224-1522-9 
<br/><br/><label>Dewey Class. No.: </label>001.42KOT