C R Kothari <br/><br/>
Research methodology: Methods and techniques 

 - New Delhi  Wiley Eastern Ltd.  1985 
 - 468p. 
<br/><br/><label>ISBN: </label>8173280363 
<br/><br/><label>Subjects--Topical Terms: </label><br/>research methodology
<br/><br/><label>Dewey Class. No.: </label>300.723  / KOT-R