K. DHAVAMANI, N. RAJAKUMARI. Harmonic Mean Labelling For Some Special Graphs. International Journal on Future Revolution in Computer Science & Communication Engineering, [S. l.], v. 5, n. 7, p. 25–27, 2019. Disponível em: http://www.ijfrcsce.org/index.php/ijfrcsce/article/view/1988. Acesso em: 28 apr. 2024.