Nugraha, Sapta, and Alfikzar Jabarriau. 2016. “Prototipe Sistem Monitoring Denyut Nadi Berbasis Wireless”. Jurnal Sustainable: Jurnal Hasil Penelitian Dan Industri Terapan 5 (1), 26 - 30. https://doi.org/10.31629/sustainable.v5i1.364.