Douglas, Evan J. <br/><br/>
Manageerial economics :  analysis & strategy / 
Evan J. Douglas 
 - 4 
 - New Jersey :  Simon & Schuster Custom Publishing,  1992       
 - xxix, 655 p. 
<br/><br/><label>ISBN: </label>0536590958 
<br/><br/><label>LC Class. No.: </label>HD 30.22 D734m 1992