Yohana, Y., Kusmala, Y. Y., Hidayat, M. R., & Sambasri, S. (2019). Heart Rate Measurement System Based on Pulse Sensors with Pathophysiological Appearance. JMECS (Journal of Measurements, Electronics, Communications, and Systems), 5(1), 15–19. https://doi.org/10.25124/jmecs.v5i1.2049