“Sistem Monitoring Jaringan Sensor Node Berbasis Protokol MQTT”. Jurnal ELEMENTER (Elektro dan Mesin Terapan) 7, no. 2 (November 30, 2021): 120–126. Diakses Juli 11, 2026. https://jurnal.pcr.ac.id/index.php/elementer/article/view/5232.