Yohana, Yana, 		Kusmala, Yudith, 		Hidayat, M. Reza, AND 		Sambasri, Susanto.
" Heart Rate Measurement System Based on Pulse Sensors with Pathophysiological Appearance" <em>JMECS (Journal of Measurements, Electronics, Communications, and Systems)</em> [Online], Volume 5 Number 1 (31 December 2019)