Stojkovikj, Natasha, Mirjana Kocaleva, Cveta Martinovska Bande, Aleksandra Stojanova, and Biljana Zlatanovska. “Application of the Four-Color Theorem for Coloring a City Map”. Balkan Journal of Applied Mathematics and Informatics 3, no. 1 (June 24, 2020): pp. 25-36. Accessed November 21, 2024. https://js.ugd.edu.mk/index.php/bjami/article/view/3427.