Xu, Shaoyang. “Coupling and Coordinated Development of the Digital Economy and Economic Resilience in the Pearl River Delta under the Background of a Unified National Market”. Financial Economics Research 3, no. 5 (October 29, 2026): 162–179. Accessed October 30, 2026. https://journals.zeuspress.org/index.php/FER/article/view/1615.