Ding Y, Guo J, Ji Y, Guo K, Ma S. The digital economy and city innovation convergence – an empirical research based on the innovation value chain theory. TEDE [Internet]. 2025 Jun. 5 [cited 2025 Jun. 13];:1-36. Available from: https://journals.vilniustech.lt/index.php/TEDE/article/view/23567