Azizah, Andi, and Rusli Rusli. “Pengontrolan Trafik Light Menggunakan Programmable Logic Controller (PLC) Siemens S7-1200 CPU 1214C”. Musamus Journal of Electro & Mechanical Engineering 1, no. 01 (October 8, 2018): 14-20. Accessed December 6, 2023. https://ejournal.unmus.ac.id/index.php/Elektro/article/view/983.