Operations Management / 
William J. Stevenson, Mehran Hojati. 
 - 2nd ed. 
 - Toronto:  McGraw-Hill Ryerson,  2004. 
 - xxvii,834  p.  ill. 
<br/><br/><label>ISBN: </label>0070911894 
<br/><br/><label>LC Class. No.: </label>TS155  / .S83 2004