Soewongsono JC, Putra GL, Ariyanto A, Pangaribuan RM. ZONAL LABELING OF EDGE COMB PRODUCT OF GRAPHS. Jurnal Matematika UNAND [Internet]. 2024 Oct. 31 [cited 2026 Oct. 30];13(4):388-95. Available from: https://jmua.fmipa.unand.ac.id/index.php/jmua/article/view/1242