Bhardwaj, R S <br/><br/>
Mathematics for economics and business 
R S Bhardwaj 
 - 2nd ed. 
 - New Delhi  Excel Books  2005 
 - ix,A.20p. 
<br/><br/><label>ISBN: </label>8174464506 
<br/><br/><label>LC Class. No.: </label>HB 135  / .B2 2005