Shavira, Nadya, Her Gumiwang Ariswati, and Torib Hamzah. “Spo2 Analysis on Development of IoT-Based Lung Function and Spo2 Measuring Device”. Indonesian Journal of Electronics, Electromedical Engineering, and Medical Informatics 6, no. 1 (November 9, 2024). Accessed April 19, 2026. https://mail.ijeeemi.org/index.php/ijeeemi/article/view/25.