fig3
![Environmental management efficiency evaluation based on indicator information integration and DEA-Malmquist index](https://image.oaes.cc/5e57422b-e677-4a17-8bc7-16afa034179d/4423.fig.3.jpg)
Figure 3. Comprehensive efficiency of different provinces from 2013 to 2017.
Figure 3. Comprehensive efficiency of different provinces from 2013 to 2017.
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