Baviera-Puig A, Baviera T, Buitrago-Vera J, Escribá-Pérez C. Internal benchmarking in retailing with DEA and GIS: the case of a loyalty-oriented supermarket chain. JBEM [Internet]. 2020Jun.2 [cited 2024Nov.27];21(4):1035-57. Available from: https://jeelm.vgtu.lt/index.php/JBEM/article/view/12393