Al Jufri, K., and R. Agustiani. “Implementasi Algoritma Greedy Pada Pewarnaan Wilayah Peta Kecamatan Gelumbang Muara Enim”. Diophantine Journal of Mathematics and Its Applications, vol. 2, no. 1, June 2023, pp. 38-45, doi:10.33369/diophantine.v2i01.28347.