Singh,B. <br/><br/>
General Studies Public Sector Examination 
/Edited by B.Singh & A.P. Singh 
 - New Delhi  MADE EASY Publication  2012 
 - ix, 606p. 
<br/><br/><label>ISBN: </label>9788191034394 
<br/><br/><label>Dewey Class. No.: </label>300  / SIN/G