Amruddin, Mustaqim, Farly Oktriany Haning, Ganesha Lapenangga Putra, and Jusrry Rosalina Pahnael. “ZONAL LABELING OF VERTEX COMB PRODUCT OF GRAPHS”. Jurnal Matematika UNAND 14, no. 3 (July 31, 2025): 225–231. Accessed November 3, 2026. https://jmua.fmipa.unand.ac.id/index.php/jmua/article/view/1346.