Author Gang Zeng
ORIGINAL RESEARCH
A Five-Stage DEA Model for Technological Innovation Efficiency of China’s Strategic Emerging Industries, Considering Environmental Factors and Statistical Errors
Pol. J. Environ. Stud. 2021;30(1):927–941
ORIGINAL RESEARCH
Spatial Spillover Effect of Strategic Eemerging Industry Agglomeration and Green Economic Efficiency in China
Pol. J. Environ. Stud. 2020;29(5):3901–3914
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