Kiadtirat Butsabong และ Aphisith Thephavongsa;worawat Sa-Ngiamvibool. (2021) Fall Detection System for the Elderly People using the Earth's Gravity. <i>Mahasarakham International Journal of Engineering Technology</i>, <i>7</i>(1), 78-84.Kiadtirat Butsabong และ Aphisith Thephavongsa;worawat Sa-Ngiamvibool. "Fall Detection System for the Elderly People using the Earth's Gravity". Mahasarakham International Journal of Engineering Technology 7 (2021):78-84.Kiadtirat Butsabong และ Aphisith Thephavongsa;worawat Sa-Ngiamvibool. Fall Detection System for the Elderly People using the Earth's Gravity. Faculty of Engineering Mahasasakham University:ม.ป.ท. 2021.