1.
Lessya KN, Welyyanti D, Yulianti L. Bilangan Kromatik Lokasi Graf Helm Hm Dengan 3 ≤ m ≤ 9. Jurnal Matematika UNAND [Internet]. 2024 Feb. 3 [cited 2026 Nov. 2];12(3):222-8. Available from: https://jmua.fmipa.unand.ac.id/index.php/jmua/article/view/1082