00425nam a22001577i 4500001001000000005001700010008004100027082002300068100001600091245003900107250001000146260005200156300001700208650002400225020001800249SXC01797520260819093633.0260101s1990    ii            000 0 eng d  a001.424 SHA-O8222  aSharma, J K10aOperations research /cSharma, J K  a8 ed.  abKedar Nath Ram Nath Publishers, Meerut,c1990  ap. ;c22 cm. 0aOperations research  a9783642972492