Sidek, K. A., Kamaruddin, N. K. N., & Ismail, A. F. (2018). The Study of PPG and APG Signals for Biometric Recognition. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), 10(1-6), 17–20. Retrieved from https://jtec.utem.edu.my/jtec/article/view/3656