Ding, Yijiu, Jianqiang Guo, Yu Ji, Kaiyi Guo, and Shenglin Ma. “The Digital Economy and City Innovation Convergence – an Empirical Research Based on the Innovation Value Chain Theory”. Technological and Economic Development of Economy (June 5, 2025): 1–36. Accessed June 13, 2025. https://journals.vilniustech.lt/index.php/TEDE/article/view/23567.