Liu, Chang. “Describe the Process of Retrofitting Existing Buildings and Evaluate the Effectiveness of It in Improving the Seismic Performance of Structures in Earthquake-Prone Regions”. Journal of Building Material Science 1, no. 2 (December 2, 2020): 16–19. Accessed May 3, 2024. https://journals.bilpubgroup.com/index.php/jbms/article/view/2543.