00331nam 2204857 45000010005000000030023000050050009000280080041000370820014000781000015000922600033001072500019001402450040001594857StarLibrary Marc Built20180713201711 ||||| |||||||||||amh  a004.01101 ahamdy taha bpearson prentice hall c2007 aالطبعة 8 aoperations research an introduction