Charnes A and SX Li (1989). “Using Data Envelopment Analysis to Evaluate Efficiency in the Economic Performance of Chinese Cities.” Socio-Econ Plan Sci 23: 325-344.

Charnes A and SX Li (1989). “Using Data Envelopment Analysis to Evaluate Efficiency in the Economic Performance of Chinese Cities.” Socio-Econ Plan Sci 23: 325-344.

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