PDF(1301 KB)
Study of Spread Effects of Primate City′s Propulsive Industries: Empirical Study on Beijing-Tianjin-Hebei City Cluster
Lang Yu,Sun Quan,Shi Yunian,Luo Shixing
Science & Technology Progress and Policy ›› 2022, Vol. 39 ›› Issue (2) : 29-39.
PDF(1301 KB)
PDF(1301 KB)
Study of Spread Effects of Primate City′s Propulsive Industries: Empirical Study on Beijing-Tianjin-Hebei City Cluster
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