Kothari, C. R. <br/><br/>
Research methodology  : methods and techniques 

 - New Delhi  Wiley eastern  1993 
 - 468p. 
<br/><br/><label>ISBN: </label>0852264771  75 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research methodology
<br/><br/><label>Dewey Class. No.: </label>001.42  / KOT