RANCANG BANGUN E-HEALTH TRACKER UNTUK DETEKSI DETAK JANTUNG, SATURASI OKSIGEN, SUHU TUBUH, DAN TEKANAN DARAH BERBASIS IoT. Jurnal SPEKTRUM, [S. l.], v. 12, n. 3, p. 137–148, 2025. DOI: 10.24843/SPEKTRUM.2025.v12.i03.p14. Disponível em: https://ejournal1.unud.ac.id/index.php/spektrum/article/view/3368. Acesso em: 30 jun. 2026.