Kothari, c. r. <br/><br/>
research methodology methods & techniques  / c. r. Kothari 

 - 2nd Ed.  
 - new delhi  wishwa prakashan  1998 
 - xii,468 
 - vol.:iss. .
<br/><br/><label>ISBN: </label>8173280363 
<br/><br/><label>Dewey Class. No.: </label>340.072  / KOT/RES