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| 2019, Vol. 36(6): 17-24 DOI: | ||
| An Analysis of Eco-efficiency of Regional Green Investment in China Based on Three-stage DEA Model | ||
| LIU Zhao | ||
| School of Economics, Henan University, Kaifeng, 475004, China | ||
| Received 2018-08-15 Revised null | ||
| Supporting info | ||
| null | ||
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