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

 - 3 ed. 
 -  New age international,  2014 
 - 458p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research methodology
<br/><br/><label>Dewey Class. No.: </label>300.72  / KOT-R