Bedjo Utomo, Syaifudin Syaifudin, Endang Dian Setioningsih, Torib Hamzah, and Parameswaran Parameswaran. “Oximeter and BPM on Smartwatch Device Using Mit-App Android With Abnormality Alarm ”. Journal of Electronics, Electromedical Engineering, and Medical Informatics 3, no. 2 (July 19, 2021): 85-92. Accessed July 23, 2025. https://jeeemi.org/index.php/jeeemi/article/view/116.