Journal of productivity analysis. 1995;6(3):225-245. doi: 10.1007/bf01076977 Q21.82025
Non-parametric models for spatial efficiency
用于空间效率的非参数模型
DOI: 10.1007/bf01076977
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Journal of productivity analysis. 1995;6(3):225-245. doi: 10.1007/bf01076977 Q21.82025
DOI: 10.1007/bf01076977
摘要 查看摘要