na INLIS000000000000138 20231010100558 0010-0921000138 231010 g 0 eng en 519.8 519.8 TAH o Taha, Hamdy A. Operations research : An introduction / Hamdy A. Taha 8th edition New Jersey : Pearson International, 2007 xv, 797 p : ill., ; 23 cm RESEARCH METHODS STATISTICS STATISTICAL MODELS 519.8 TAH o 0503