Komarullah, Hafif, Kristiana Wijaya, Vira Hari Krisnawati, and Noor Hidayat. “On Prime and Coprime Edge Labeling of Some Graphs”. Jurnal Matematika UNAND 15, no. 3 (July 31, 2026): 291–301. Accessed October 31, 2026. https://jmua.fmipa.unand.ac.id/index.php/jmua/article/view/1658.