00436nam a22001577i 4500001001000000005001700010008004100027082002400068100002700092245005000119250001100169260003900180300001700219650002400236020001800260SXC02273420260819093726.0260101s1997    ii            000 0 eng d  a001.424 GOE-O15222  aGoel, B S; Mittal, S K10aOperations research /cGoel, B S; Mittal, S K  a15 ed.  abPragati Prakashan, Meerut,c1997  ap. ;c22 cm. 0aOperations research  a9780132729154