【摘 要】
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Based on data from the Web of Science database,co-occurrence analysis and network visualization technique were conducted to explore the structure and patterns o
【机 构】
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SchoolofEconomicsandManagement
【基金项目】
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This work was supported by Social Science Planning Project of Shandong Province(16CGLJ01),Soft Science Project of Shandong Province(2016RKA10001).