津京沪独角兽企业成长环境比较及对天津的启示——基于城市创新创业生态的角度
Journal of Hebei Agricultural University(Social Sciences) ›› 2019, Vol. 21 ›› Issue (4) : 49-55.
{{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|