00328nam a2200121 a 450000500170000002000150001708200220003210000190005424500610007325000120013426000390014630000210018520251203091952.0  a8120312228  a658.4034,bD, Tah  aTaha, Hamdy A.  aOperations Research: An Introduction, Hamdy A. Taha, eng  a6th ed.  aNew Delhi, Prentice-Hall, Inc1997  axx,916p.c24 cm.