Min, Kyungsook. “What Are the Needs of Older People Undertaking Activities in Art Museums and Do Activities Fulfil Them?”. International Journal of Social Sciences and Humanities Invention 4, no. 4 (April 20, 2017): 3444–3451. Accessed April 28, 2024. http://valleyinternational.net/index.php/theijsshi/article/view/800.