Astutik, Rini Puji, and Rendy Fadjar Bakti. “SISTEM MONITORING DETAK JANTUNG BERBASIS LoRa”. E-Link: Jurnal Teknik Elektro dan Informatika 15, no. 1 (August 3, 2020): 19–25. Accessed June 15, 2025. https://journal.umg.ac.id/index.php/e-link/article/view/1606.