Usman, Usman, Panjaitan Albert, Indah Vusvita Sari, Iswandi Idris, and Rizaldy Khair. 2020. “Rancang Bangun Traffic Light System Tanggap Darurat Berbasis IoT”. Jurnal Sistem Komputer Dan Informatika (JSON) 1 (3):195-99. https://doi.org/10.30865/json.v1i3.2187.