Kothari,C.R <br/><br/>
Research methodology: Methods and techniques 

 - Second 
 -  Wishwa PrakashanNew Delhi  1997 
 - 468 
<br/><br/> BBM 
<br/><br/><label>ISBN: </label>497 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Methodology
<br/><br/><label>Dewey Class. No.: </label>1.42