Stafford, L.W.T.  <br/><br/>
Business Mathematics. 

 - 1st Ed. 
 - London :  Macdonald & Evans Ltd,  1969. 
 - xiii, 354 p. 
<br/><br/><label>ISBN: </label>712102167 
<br/><br/><label>Dewey Class. No.: </label>510  / STA