00340nam a22001337a 450000500170000000800410001702000180005804100080007608200100008410000180009424500400011226000460015230000080019820160426142640.0160426b        xxu||||| |||| 00| 0 eng d  a81-203-2235-5  aeng  b00111  aTana, Hamdy A  aOperations Research an Introduction  aNew DelhibPrentice hall of India, c2003  a830