S. SUDHAKAR; V. MAHESHWARI; V. BALAJI. Cordial Labeling for Star Graphs. International Journal of Mathematics And its Applications, [S. l.], v. 6, n. 1 - A, p. 51–54, 2018. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/896. Acesso em: 17 may. 2024.