Machol, Robert E.  1917- <br/><br/>
Elementary systems mathematics :  linear programming for business and the social sciences / 
Robert E. Machol 
 - New York :  McGraw-Hill,  1976 
 - xviii, 267 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0070393737 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Linear programming