England Wilbur B <br/><br/>
Purchasing system 

 -  1967 
 - Irwin series in operations management .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quality Control
<br/><br/><label>Dewey Class. No.: </label>X:89U, K7