长江三角洲城市群科技服务业效率评价

张恒1，周中林2，3，郑军2

Efficiency Evaluation of Science and Technology Service Industry in the Yangtze River Delta Urban Agglomeration

Zhang Heng,Zhou Zhonglin,Zheng Jun

科技进步与对策 . 2019, (5): 46 -53 . DOI: 10.6049/kjjbydc.L201808761