MENDROFA, Vikar Darma Bakti; PANGGABEAN, J.H. RANCANG BANGUN INSTRUMENTASI BIO-AMPLIFIER UNTUK MENDETEKSI ELOKTROKARDIOGRAFI (EKG) BERBASIS PERSONAL COMPUTER (PC). EINSTEIN (e-Journal), [S. l.], v. 2, n. 2, 2014. DOI: 10.24114/einstein.v2i2.5300. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/einsten/article/view/5300. Acesso em: 12 oct. 2025.