Firdaus, Firdaus, Zainullah Muhamad, and Mahabito Saka Nusantara. 2020. “OMEDIG Rancang Bangun Oksigen Meter Digital Berbasis IoT Untuk Fasilitas Kesehatan Masyarakat”. AJIE (Asian Journal of Innovation and Entrepreneurship) 5 (1):35-43. https://journal.uii.ac.id/ajie/article/view/28667.