Zhaoyu lu. 《Twenty Years of Digital Media Use Research on China’s Silver Hair Group (2005-2024) : A CiteSpace-Based Knowledge Graph Analysis》. Journal of Sociology and Education 1, no. 2 (七月 4, 2025). 见于 七月 6, 2025. https://sci-open.net/index.php/JSE/article/view/1497.