Muller B (2003). “Ranking of Technically Efficient Processes in the Frame of the Data Envelopment Analysis (DEA) at Exemplary Cases of the Dairy Sector.” Kieler Milchwirtschaftliche Forschungsberichte 55(2): 89-105.

Muller B (2003). “Ranking of Technically Efficient Processes in the Frame of the Data Envelopment Analysis (DEA) at Exemplary Cases of the Dairy Sector.” Kieler Milchwirtschaftliche Forschungsberichte 55(2): 89-105.

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