bunprom, P., and P. Songsree. “Evaluation of the Efficiency and User Satisfaction of a Smart Belt Fall Detection System Integrated with the LINE Application for the Elderly”. The Journal of Chulabhorn Royal Academy, vol. 7, no. 3, Aug. 2025, pp. 264-72, https://he02.tci-thaijo.org/index.php/jcra/article/view/273573.