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"Production efficiency evaluation of energy companies based on the improved ..."
Lei Li, Mingyue Li, Chunlin Wu (2013)
- Lei Li, Mingyue Li, Chunlin Wu:
Production efficiency evaluation of energy companies based on the improved super-efficiency data envelopment analysis considering undesirable outputs. Math. Comput. Model. 58(5-6): 1057-1067 (2013)
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