Wu, Wenxuan, et al. “Necessity and Urgency Study on Promoting Regional Economic and Social Integration in China: A Case Study of the Yangtze River Delta Urban Agglomeration”. Journal of Economics, Finance and Accounting Studies , vol. 6, no. 1, Feb. 2024, pp. 101-7, https://doi.org/10.32996/jefas.2024.6.1.10.