Goel, B S; Mittal, S K <br/><br/>
Operations research/ 
by B S Goel and S K Mittal 
 - ninth enlarged and revised edition 
 - Meerut  : Pragati Prakashan,   , 1987 
 - 944pages 
<br/><br/><label>Dewey Class. No.: </label>658.403 4 GOE/O