Astrif, Citra, Triwiyanto Triwiyanto, & Vugar Abdullayev. "Development of a Low-Cost and Portable Device for Monitoring Heart Rate, Blood Oxygen Saturation, and Body Temperature in Infants Incubator." Jurnal Teknokes [Online], 17.2 (2024): 84–92. Web. 22 Nov. 2024