Gould F J <br/><br/>
Introductory management science 
Gould F J 
 - 3 
 - Englewood  Englewood, Prentice-Hall  1991 
 - 848p 
<br/><br/><label>ISBN: </label>0-13-500281-8 
<br/><br/><label>Source: </label>Textbook