SCIENCE & TECHNOLOGY PROGRESS AND POLICY  2021, Vol. 38 Issue (16): 29-36    DOI: 10.6049/kjjbydc.2021010380
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Research on the Green Development Effect of National Central City Construction:Quasi Natural Experiments based on 285 Cities
Li Zhiguo,Che Shuai,Wang Jie
(School of Economics and Management, China University of Petroleum (East China), Qingdao 266580, China)