Burbidge, John L.. <br/><br/>
The Principles of Production Control /  

 - Third Ed. /  
 - London :   Macdonald and Evans Ltd. ,   1985 
 - p536 :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>X:28  / L1