Soimah, Ana Mardiatus, and Noor Saif Muhammad Mussafi. “Pewarnaan Simpul Dengan Algoritma Welch-Powell Pada Traffic Light Di Yogyakarta”. Jurnal Fourier 2, no. 2 (October 31, 2013): 73–79. Accessed June 13, 2026. https://mail.fourier.or.id/index.php/FOURIER/article/view/20.