Sahoo BK (2003). “An Empirical Comparison of Farrell and Koopmans Measures of Technical Efficiency in Data Envelopment Analysis.” Anvesak 3: 81-110.

Sahoo BK (2003). “An Empirical Comparison of Farrell and Koopmans Measures of Technical Efficiency in Data Envelopment Analysis.” Anvesak 3: 81-110.

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