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.