Mansfield,Edwin. <br/><br/>
Managerial economics. 

 - 2nd  ed. 
 - new york :  W.W.Norton and company,  1993. 
 - 324  p. ;    cm. 
<br/><br/><label>ISBN: </label> $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>managerial economics.