Kumar, Ranjit. <br/><br/>
Research methodology :  a step-by-step guide for beginners / 
Ranjit Kumar. 
 - Fourth edition. 
 - London :  SAGE Publication Ltd,  2014. 
 - xvi, 392 pages :  illustrations (some colored.) ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research methodology.