A performance index for tradittional reailers incorporating digital marketplace: benchmarking through data envelopment analysis (DEA) - Melo, I. C.; Alves Junior, Paulo Nocera; Callefi, Jéssica Syrio; Kodama, Tatiana Kimura; Nagano, Marcelo Seido; Rebelatto, Daisy Aparecida do Nascimento (Journal of Organizational Computing and Electronic Commerce, 2023)