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

 - 2nd ed. 
 - New Delhi  Wiley Eastern Limited  1990 
 - 468 p. 
<br/><br/><label>ISBN: </label>0852264771 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research-Methodology; Research-Evaluation
<br/><br/><label>Dewey Class. No.: </label>001.42  KOT-R