00342nam a22001337a 450000500170000000800410001702000180005804100080007608200130008410000350009724500240013226000430015630000090019920260508121840.0160426b        xxu||||| |||| 00| 0 eng d  a81-219-0281-9  aeng  a658.4034  aGupta, Prem Kumar & Hira, D.S.  aOperations Research  aNew DelhibSultan Chand & Sons, c2008  a1395