Kothari, c r  <br/><br/>
Research methodology  : methods & techniques 
By C R Kothari & Gaurav garg 
 - Ed4 
 - Delhi  New Age  2020 
 - 458p. 
<br/><br/><label>ISBN: </label>9789386649225  399 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PHD<br/>RESEARCH
<br/><br/><label>Dewey Class. No.: </label>300.723  / KOT(RES).Ed4