Xiaoyan, Liu, et al. “How Innovation Policies and Intergovernmental Relations Affect Cross-Regional Collaborative Innovation —A Case Study of the Artificial Intelligence Sector in the Yangtze River Delta Region: 创新政策与府际关系如何影响跨区域合作创新———以长三角人工智能领域为例”. Studies in Science of Science, vol. 43, no. 12, Dec. 2025, pp. 905-19, https://casscience.cn/siss/article/view/122.