Kothari , C . R <br/><br/>
Research Methodology:Methods and Techniques 

 - Second Revised Edtion 
 - New Delhi:  New age publishers,  1985. 
 - xvi,401p. :  ill.  23cm. 
<br/><br/><label>ISBN: </label>9788122415223 
 = Research Methodology:Methods and Techniques 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research methodology
<br/><br/><label>Dewey Class. No.: </label>001.42  / KOT