Guan, Xikun, and Zizhao Nie. “Spatiotemporal Distribution Characteristics and Evolutionary Trends of Population Structure in the Pearl River Delta Region: A Comparative Analysis Based on Census Data from 2010 to 2020”. International Journal of Global Economics and Management, vol. 6, no. 3, Apr. 2025, pp. 250-6, https://doi.org/10.62051/ijgem.v6n3.30.