Ye Q, Cao X. Research on the Heterogeneity of Digital Economy Driving Regional Integration Development: Comparative Analysis Based on Three Major Urban Agglomerations. IJEH [Internet]. 2022 Sep. 27 [cited 2026 Sep. 2];4(3):187-91. Available from: https://drpress.org/ojs/index.php/ijeh/article/view/1804