Kumar, Ranjit. <br/><br/>
Research methodology :  a step-by-step guide for beginners / 
Ranjit Kumar. 
 - 4th edition. 
 - pages cm 
<br/><br/><label>ISBN: </label>9781446269961 (hardback) 9781446269978 (pbk.) 
<br/><br/><label>LCCN: </label>2013942820 
<br/><br/><label>Dewey Class. No.: </label>001.4