Douglas Evan J <br/><br/>
Managerial economics theory,practice,and problems 
Douglas Evan J 
 -  1979 
<br/><br/><label>Standard No.: </label>81704 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X9, L9