CAGAANAN, GILBERT B.; CANOY JR., SERGIO R. Bounds for the geodetic number of the cartesian product of graphs. Utilitas Mathematica , [S. l.], v. 79, 2009. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/619. Acesso em: 8 may. 2026.