00344nam a22001337a 450000500170000000800410001702000220005804100080008008200100008810000180009824500410011626000450015730000080020220260508112620.0160426b        xxu||||| |||| 00| 0 eng d  a978-81-317-1104-0  aeng  a658.5  aTana, Hamdy A  aOperations Research: An Introduction  aNew DelhibPearson Prantics Hall, c2009  a775