Wuttisit C. Fall Detection for Elderly and Data Classification Movement Activity Using Weighted K-Nearest neighbor Algorithm on a IoT-based Portable Embedded System. j.eng.rmutt [Internet]. 2020 Jun. 26 [cited 2024 May 4];18(1):45-56. Available from: https://ph01.tci-thaijo.org/index.php/jermutt/article/view/241883