ELION Samuel <br/><br/>
Elements of production planning & control 
ELION Samuel 
 - New York  Macmillan company          1962 
 - 587p  cm. 
<br/><br/> Bibliography at the end of each chapter 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:89Q, K2/TD1