Nasiqin, Imam, Arif Surtono, and Gurum Ahmad Pauzi. “Rancang Bangun Penguat Biopotensial Elektrokardiografi (EKG) Berbasis IC AD620”. Jurnal Teori dan Aplikasi Fisika 3, no. 2 (July 16, 2015). Accessed October 28, 2025. https://jtaf.fmipa.unila.ac.id/index.php/jtaf/article/view/91.