Riyanto, Azhar Hermawan, Bambang Drajat, Uriansah Pratama, and Robert Simanjuntak. “Pengintegrasian Perlintasan Sebidang Dengan Alat Pemberi Isyarat Lalu Lintas (Apill)”. Jurnal Penelitian Sekolah Tinggi Transportasi Darat 10, no. 2 (January 8, 2024): 42-50. Accessed July 4, 2026. http://114.141.51.86/index.php/jpsttd/article/view/571.