AZAIZEH A.; HASNI R.; LAU G.C.; AHMAD A. 3-Total edge product cordial labeling of complete, bipartite and generalized friendship Graphs. Utilitas Mathematica , [S. l.], v. 106, 2018. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/1354. Acesso em: 26 may. 2026.