MANSURI, A.; MEHTA, R.; CHANDEL, R. S. Central Graph of Quadrilateral Snakes with Chromatic Number. Journal of the Indonesian Mathematical Society, [S. l.], v. 27, n. 1, p. 1–8, 2021. DOI: 10.22342/jims.27.1.948.1-8. Disponível em: http://jims-a.org/index.php/jimsa/article/view/948. Acesso em: 28 mar. 2024.