Douglas, Evan J. <br/><br/>
Managerial economics :  theory, practice, and problems / 
Evan J. Douglas. 
 - 2nd ed. 
 - Englewood Cliffs, N.J. :  Prentice-Hall ,  1983. 
 - 584 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies and indexes. 
<br/><br/><label>ISBN: </label>0135502101 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Managerial economics.