ALAEIYAN, M.; KARAMI, H.; SIASAT, S. Perfect 3-Colorings of The Petersen‎ Graph. Journal of the Indonesian Mathematical Society, [S. l.], v. 24, n. 2, p. 47–53, 2018. DOI: 10.22342/jims.24.2.246.47-53. Disponível em: http://jims-a.org/index.php/jimsa/article/view/246. Acesso em: 4 may. 2024.