Barros CP and C Alves (2004). “An Empirical Analysis of Productivity Growth in a Portuguese Retail Chain Using Malmquist Productivity Index.” J Retailing and Consumer Services 11(5): 269-278.

Barros CP and C Alves (2004). “An Empirical Analysis of Productivity Growth in a Portuguese Retail Chain Using Malmquist Productivity Index.” J Retailing and Consumer Services 11(5): 269-278.

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