Singh,S.P. <br/><br/>
Research methods in social sciences : a manual for designing questionnaires/by S.P. Singh 

 - New Delhi  Kanishka Publishers, Distributors  2002 
 - 268p. 
<br/><br/><label>ISBN: </label>8173914834 
<br/><br/><label>Dewey Class. No.: </label>300.72  S64R