ANALISIS FAKTOR PENYEBAB KEMACETAN LALU LINTAS DI SIMPANG EMPAT UNIMED MMTC MEDAN. JIIC [Internet]. 2024 Oct. 9 [cited 2026 Jul. 22];1(8):3421-9. Available from: https://jicnusantara.com/index.php/jiic/article/view/1094