The essential guide to doing your research project/ 
O'Leary,Zina 
 - 2nd Revised edition 
 - New Delhi:  SAGE Publications India Pvt Ltd,  2011-01-25. 
 - 320 
<br/><br/><label>ISBN: </label>8132106466 
<br/><br/><label>Dewey Class. No.: </label>300.72  / O'LE/