Kumar, Ranjit <br/><br/>
Research methodology   : a step by step guide for beginners  

 - 2nd edition  
 - New Delhi :  Pearson Education,  2007 
 - 332 p.  24cm 
<br/><br/><label>ISBN: </label>9788131704967 
<br/><br/><label>Dewey Class. No.: </label>001.42  / KUM