Y. Wei, H. Li, X. Ren, and H. Wang, “The Study of Compacting Older Non-Open Neighborhoods based on Child-Friendly Concepts”, TSSEHR, vol. 2, pp. 391–406, Nov. 2023, Accessed: Aug. 17, 2026. [Online]. Available: https://wepub.org/index.php/TSSEHR/article/view/235