G.K. Ranganath and T.V. Narasimha Rao. <br/><br/>
AText Book of Business Mathematics 

 - 7th 
 - Mumbai,  Himalaya Publishing House,  2003. 
 - 639p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>519.7 RAO