Gould FJ <br/><br/>
Introductory management science 
Gould FJ And Others 
 - 4 
 - Englewood  Englewood, Prentice-Hall  1993 
 - 895p 
<br/><br/><label>ISBN: </label>0-13-486440-9 
<br/><br/><label>Source: </label>Textbook