Ravindran, Aetc <br/><br/>
Operations research  Principles and practice / 

 - 2nd ed. 
 - New York :  John Wiley ,  1987. 
 - xviiii+637  25cms 
<br/><br/><label>ISBN: </label>0471086088 
<br/><br/><label>Subjects--Index Terms: </label>Operations Research