Tongda Sun, Ping Hu, Yaping Chen, Xiaoxin Dong, Rangcheng Jia. “A Study on the Scale and Affordability of Public Finances of Basic Care Services for the Elderly With Dementiaunder the COVID-19 Pandemic in China”. Design Engineering (June 11, 2021): 2254 - 2264. Accessed May 3, 2024. http://www.thedesignengineering.com/index.php/DE/article/view/1967.