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"Calculation of China's environmental efficiency and relevant hierarchical ..."
Malin Song et al. (2013)
- Malin Song, Yaqin Song, Huayin Yu, Zeya Wang:
Calculation of China's environmental efficiency and relevant hierarchical cluster analysis from the perspective of regional differences. Math. Comput. Model. 58(5-6): 1084-1094 (2013)
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