Kothari, C. R.  <br/><br/>
Research methodology :  Methods and techniques / 
C. R. Kothari. 
 - 2nd rev. ed. 
 - New Delhi :  New Age International,  2004. 
 - x, 401 p. : ill. ; 25 cm. 
<br/><br/><label>ISBN: </label>81224152259 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research -- Methodology