Kothari, C.R. <br/><br/>
Research methodology :  methods techniques. / 
C. R. Kothari. 
 - New Delhi :  Wishwa Prakashan,  c1990. 
 - xii, 468 pages. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>8173280363 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research--Methodology.<br/>Research--Methodology.