Bosetti V and G Locatelli (2006). “A Data Envelopment Analysis Approach to the Assessment of Natural Parks’ Economic Efficiency and Sustainability. the Case of Italian National Parks.” Sustainable Development 14(4): 277-286.

Bosetti V and G Locatelli (2006). “A Data Envelopment Analysis Approach to the Assessment of Natural Parks’ Economic Efficiency and Sustainability. the Case of Italian National Parks.” Sustainable Development 14(4): 277-286.

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