Thomas R L <br/><br/>
Using mathematics in economics 

 - London  Longman group UK limited  1989 
 - x, 279 p.; 22cm. 
<br/><br/><label>ISBN: </label>582025206 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Macro - economic<br/>Mathematics in economics<br/>Simulataneous equations<br/>Uncontrained optimisation