Nuris Dwi Setiawan, and Irene Ongkowijoyo. “Employee Health Monitoring System Using Wemos D1 For Anticipation Internet Of Things-Based Covid 19 Transmission”. JUPITER: Jurnal Penelitian Ilmu Dan Teknologi Komputer, vol. 13, no. 2, Oct. 2021, pp. 227-34, doi:10.5281/3945.jupiter.2021.10.