Nur Kurnia Fibiani, and Rini puji astutik. 2023. “Sistem Monitoring Kosentrasi Amonia (NH3) Pada Kawasan PT. Petrokimia Gresik Berbasis IoT”. JOURNAL ZETROEM 5 (2), 203 -5. https://doi.org/10.36526/ztr.v5i2.3142.