WANG, Yehao. Beijing and Shanghai’s Urbanization Differences through Analysis of the Northam Curve and Social Factors. International Journal of Social Sciences and Public Administration, U.K., v. 2, n. 3, p. 190–199, 2024. DOI: 10.62051/ijsspa.v2n3.26. Disponível em: https://wepub.org/index.php/IJSSPA/article/view/1498. Acesso em: 13 may. 2026.