Wen, Jia, et al. “Research on Spatial Elements of Barrier-Free Environment Construction in Urban Livable Streets: A Case Study of Pingguo Yuan Street in Shijingshan District”. Journal of Social Science and Humanities, vol. 6, no. 11, Nov. 2024, pp. 27-36, doi:10.53469/jssh.2024.6(11).07.