“OPTIMALISASI PENGATURAN TRAFFIC LIGHT DI PERSIMPANGAN KOTA MEDAN”. Jurnal Keluarga Sehat Sejahtera 17, no. 1 (June 30, 2019): 11–23. Accessed March 22, 2026. https://jurnal.unimed.ac.id/2012/index.php/jkss/article/view/14527.