Thomas, R. L. <br/><br/>
Using mathematics in economics/  
R. L. Thomas. 
 - London :  Longman,  1989 
 - x, 279 pages :  illustrations, charts ;   23cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0582025206 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics--Mathematical models.