PDF(1634 KB)
PDF(1634 KB)
PDF(1634 KB)
中国企业供应链上游国外垄断程度的时空特征及其创新效应研究
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}Spatio-temporal characteristics of foreign monopoly degree in the upstream of Chinese enterprises' supply chain and its innovation effect
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