Wu, Wei, Ruyue Xiang, Wenying Feng, Mingzhu Shu, and Yuru Zhang. “Research on the Development Status of Smart and Healthy Pension Industry in Chongqing for 2035 Based on TF-IDF Algorithm”. Academic Journal of Management and Social Sciences 4, no. 1 (August 28, 2023): 74–78. Accessed June 30, 2026. https://drpress.org/ojs/index.php/ajmss/article/view/11568.