00290nam a2200121Ia 4500 230718s9999||||xx |||||||||||||| ||und|| 658.403 4 TAHA HAMDY A OPERATIONS RESEARCH: AN INTRODUCTIONS 8 PEA 2011 DELHI 759 0 0 0 0 MEC NMA NMA CIR::21B:SH:I 2011-03-28 MAHALAXMI 510.00 5573 / 2011-03-22 3 658.403 4 41027 2027-01-21 2026-01-21 04:12:59 2026-01-21 2023-07-19 BK 51544 51544