Operations Management / 
William J. Stevenson, Mehran Hojati. 
 - 4th ed. 
 - Toronto:  McGraw-Hill Ryerson,  2011. 
 - xxiv,740 p.  ill. 
<br/><br/><label>ISBN: </label>9780070969575 
<br/><br/><label>LC Class. No.: </label>TS155  / .S84 2011