SAI, Jiaxuan. Space-time Evolution and Causes of Commercial Sports Facilities in the Main Urban Area of Xi ’an City. International Journal of Social Sciences and Public Administration, U.K., v. 2, n. 3, p. 224–229, 2024. DOI: 10.62051/ijsspa.v2n3.31. Disponível em: https://wepub.org/index.php/IJSSPA/article/view/1516. Acesso em: 2 jun. 2026.