Wilton, W.B <br/><br/>
A-Z of Business Mathematics: incorporating business mathematics.  /W.B. Wilton Revised by J.C.R Hewgill 

 - 2nd ed.  revised 
 - London;  Heinemann:  c1980. 
 - xiii, 176 p.:  ill.;  21 cm. 
<br/><br/>includes index 
<br/><br/><label>ISBN: </label>434900400 
<br/><br/><label>LC Class. No.: </label>HF5695.  / W71 1980