Kumar, Ranjit., <br/><br/>
Research methodology :  a step by step guide for beginners /  Textual Documents 
Ranjit Kumar . 
 - London  Sage Publications  2014 
 - xxvii, 399 p. 
<br/><br/><label>ISBN: </label>9789351501336 
<br/><br/><label>Dewey Class. No.: </label>001.42