SCIENCE & TECHNOLOGY PROGRESS AND POLICY  2021, Vol. 38 Issue (9): 43-51    DOI: 10.6049/kjjbydc.2020120035
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Environmental Regulation Tools and the Regional Influence on the Environmentally Friendly Technological Innovation:By Taking Hydrogen Fuel Cell Technology as an Example
Sun Bing,Xu Yang,Kang Min
(School of Economics and Management, Harbin Engineering University, Harbin 150001,China)