ARUMUGAM, S.; SURESH SUSEELA, J. Geodesic Graphoidal Covering Number of a Graph. The Journal of the Indian Mathematical Society, [S. l.], v. 72, n. 1-4, p. 99–106, 2005. Disponível em: https://informaticsjournals.com/index.php/jims/article/view/21821. Acesso em: 28 apr. 2024.