Baviera-Puig, A., Baviera, T., Buitrago-Vera, J. and Escribá-Pérez, C. (2020) “Internal benchmarking in retailing with DEA and GIS: the case of a loyalty-oriented supermarket chain”, Journal of Business Economics and Management, 21(4), pp. 1035-1057. doi: 10.3846/jbem.2020.12393.