ZHANG, Hao. Research on the Spatial Heterogeneity of Urban Vitality Driven by Social Big Data: A Case Study of Xi’an. Frontiers in Humanities and Social Sciences, [S. l.], v. 5, n. 9, p. 232–238, 2025. DOI: 10.54691/hc2a3j70. Disponível em: http://fhssjournal.org/index.php/ojs/article/view/364. Acesso em: 26 oct. 2025.