LESSYA, Kelson Novrianus; WELYYANTI, Des; YULIANTI, Lyra. Bilangan Kromatik Lokasi Graf Helm Hm Dengan 3 ≤ m ≤ 9. Jurnal Matematika UNAND, [S. l.], v. 12, n. 3, p. 222–228, 2024. DOI: 10.25077/jmua.12.3.222-228.2023. Disponível em: https://jmua.fmipa.unand.ac.id/index.php/jmua/article/view/1082. Acesso em: 2 nov. 2026.