创新环境约束下高技术产业区域创新效率及收敛性研究
张涵,杨晓昕
Regional Innovation Efficiency and Convergence of Hightech Industries Based on Innovative Environmental Constraints
科技进步与对策 . 2018, (3): 43 -51 .  DOI: 10.6049/kjjbydc.2017070475