00000nam a2200000 a 4500 20251203112033.0 9780230638853 658.4034 SHA Sharma, J.K Operations research theory and applications 4th ed New Delhi Macmillan 1997-R2010 xviii,958p. 22cm. PB includes index Operations research _ 178953 LIBSS C 145372 145372 0 0 0 0 PU PU 2011-04-09 372.00 0 658.4034 SHA 178953 BK