Darul Zaman, Nurul Izzati, Siti Nurhaliza Zainal Abiden, Kok Wai Soo, Ming Chern Leong, and Yuan Wen Hau. 2023. “Blood Oxygen Saturation and Heart Rate Monitor for Home-Based Continuous Monitoring”. Journal of Human Centered Technology 2 (1):18-25. https://doi.org/10.11113/humentech.v2n1.36.