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.