Kamtab, Parwapun, and Theerapong Wiriyanon. “Design a Digital Multimodal User Interface for Senior Citizens”. Journal of Education Studies, Chulalongkorn University 50, no. 1 (March 4, 2022): EDUCU5001005. accessed September 3, 2026. https://so02.tci-thaijo.org/index.php/EDUCU/article/view/254955.