Zulfikri, Achmad Auliyaa, Doan Perdana, and Gustommy Bisono. 2018. “Design and Analysis of Trash Monitoring System Prototype Based On Internet of Things (IoT) Using MQTT Protocol”. JURNAL INFOTEL 10 (3), 113-24. https://doi.org/10.20895/infotel.v10i3.381.