Athanassopoulos AD and JA Ballantine (1995). “Ratio Frontier Analysis for Assessing Corporate Performance Evidence from the Grocery Industry in the UK.” JORS 4: 427-440.

Athanassopoulos AD and JA Ballantine (1995). “Ratio Frontier Analysis for Assessing Corporate Performance Evidence from the Grocery Industry in the UK.” JORS 4: 427-440.

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