Research on Development Efficiency of National Energy Base Based on DDF-DEA Three-stage Model——Take 20 Large Comprehensive Energy Bases Divided by the State as an Example
Yang Qingzhou, Ma Pingping, Lv Sujiao
Research on Development Efficiency of National Energy Base Based on DDF-DEA Three-stage Model——Take 20 Large Comprehensive Energy Bases Divided by the State as an Example
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