TY - JOUR AU - Mirzaei, Ehsan AU - Bashiri, Mahdi AU - Shams Shemirani, Hossein TI - Exact algorithms for solving a bi-level location–allocation problem considering customer preferences JO - Journal of Industrial Engineering International VL - 15 IS - 3 SP - 0 EP - 0 PY - 2019 DO - ER -