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

 - 3rd ed. 
 - New Delhi:  New Age International,  2017. 
 - xi, 449 p. 
<br/><br/><label>ISBN: </label>9788122436235 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Methodology
<br/><br/><label>Dewey Class. No.: </label>300.723  / K872