Sharma, J K. Operation Research: theory and applications / J K Sharma. - 5th ed / . - New Delhi : Macmillan India , 1997. - xviii,937p. : Ills.,tables ; 24cm . Includes bibliography and index ISBN: 9789350593363 RS495.00 Subjects--Index Terms: OPERATION RESEARCH Dewey Class. No.: 003 / SHA/O