S. VIJAYAKUMAR; C. V. R. HARINARAYANAN. Total Global Domination in Permutation Graphs. International Journal of Mathematics And its Applications, [S. l.], v. 4, n. 2 - C, p. 99–103, 2016. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/1050. Acesso em: 20 may. 2024.