
Spatio-temporal evolution and influencing factors of patent service network in Yangtze River Delta region
QI Jie, WANG Junsong, LI Guihua
GEOGRAPHICAL RESEARCH ›› 2023, Vol. 42 ›› Issue (11) : 2965-2983.
Spatio-temporal evolution and influencing factors of patent service network in Yangtze River Delta region
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