Zhigang, F., Zhiqiang, Z. and Hao, L. (2025) “The transfer characteristics of the world technological activities center countries: The perspective of patent big data analysis: 世界技术活动中心国家转移特征研究—基于专利大数据分析视角”, Studies in Science of Science, 43(7), pp. 502–515. doi:10.65967/siss.v43i7.93.