فهرس المقالات Facility location . Mathematical modeling . Hub maximal covering . Uncertainty. NSGA حرية الوصول المقاله صفحة الملخص نص كامل 1 - A modified NSGA-II solution for a new multi-objective hub maximal covering problem under uncertain shipments Amir Ebrahimi Zade Ahmad Sadegheih Mohammad Mehdi Lotfi