00423nam a22001577i 4500001001000000005001700010008004100027082002300068100001700091245004000108250001000148260004800158300001700206650002400223020001800247SXC03379520260819093930.0260101s2017    ii            000 0 eng d  a001.424 PAN-O2222  aPannerselvam10aOperations Research /cPannerselvam  a2 ed.  abPHI Learning Privat Limited, Delhi,c2017  ap. ;c22 cm. 0aOperations research  a9781351990639