Phạm Ngọc Sơn, and Đinh Vân Anh. “Biosensor Using Accelerometer for Cardiac Cycle Monitoring”. Journal of Technical Education Science 7, no. 2 (June 28, 2012): 65–71. Accessed April 7, 2026. https://www.jte.edu.vn/index.php/jte/article/view/711.