Hadley, G. <br/><br/>
Linear programming / 
G. Hadley 
 - New Delhi:  Narosa Publishing House,  1987. 
 - 520 p. 
<br/><br/><label>ISBN: </label>8185015910 
<br/><br/><label>Dewey Class. No.: </label>519.72  / HAD/L