Estikhamah, Fithri, and Nugroho Utomo. “Analisis Kepatuhan Siswa/I Tingkat SMP Dalam Berlalu Lintas”. KERN : Jurnal Ilmiah Teknik Sipil 6, no. 1 (April 16, 2020): 49–54. Accessed October 10, 2025. https://kern.upnjatim.ac.id/index.php/kern/article/view/28.