PONRAJ R.; NARAYANAN, S. SATHISH; RAMASAMY A.M.S. Total mean cordial labeling of some graphs. Utilitas Mathematica , [S. l.], v. 106, 2018. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/1351. Acesso em: 17 apr. 2026.