Kothari,C.R <br/><br/>
Research methodology  methods and techniques 
by C.R Kothari 
 - 2nd,rd. 
 - New Age International;  New Delhi,  2004. 
 - 401p. 
<br/><br/><label>ISBN: </label>9788122415223 
<br/><br/><label>Subjects--Index Terms: </label>Research methodology 
<br/><br/><label>Dewey Class. No.: </label>001.42  / KOT