Stojkovikj N, Kocaleva M, Martinovska Bande C, Stojanova A, Zlatanovska B. Application of the Four-Color Theorem for coloring a city map. bjami [Internet]. 2020Jun.24 [cited 2024Nov.23];3(1):pp. 25-36. Available from: https://js.ugd.edu.mk/index.php/bjami/article/view/3427