Heady, Earl Orel,  1916- <br/><br/>
Linear programming methods / 
Earl Orel Heady. 
 - Ames :  Iowa State University Press,  1958. 
 - 597 p. :  ill. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Linear programming.<br/>Business mathematics.