Triwiyanto, Triwiyanto, 		Syaifudin, Syaifudin, 		Harditamara, Dinar Awalin, AND 		Masood, Faraz.
"Pulse Oximeter Design for SpO2 and BPM Recording on External Memory to Support the Covid-19 Diagnosis" <em>Jurnal Teknokes</em> [Online], Volume 15 Number 3 (21 September 2022)