Kothari, C.R <br/><br/>
Research methodology  methods & techniques 
C.R. Kothari 
 - 2 rev. 
 - New Delhi  New Age International  2004 
 - xvi  401 
<br/><br/><label>ISBN: </label>9788122415223 
<br/><br/><label>Dewey Class. No.: </label>001.42  / KOT