Mu’Alim, Mus, and Sukardi Sukardi. “SISTEM MONITORING BOILER AIR BERBASIS IOT”. Ranah Research : Journal of Multidisciplinary Research and Development 5, no. 1 (August 8, 2022): 53-61. Accessed December 3, 2022. https://jurnal.ranahresearch.com/index.php/R2J/article/view/571.