IBRAHIM, N. B. On The Energy of Some Composite Graphs. Science Journal of University of Zakho, [S. l.], v. 3, n. 1, p. 132–139, 2018. Disponível em: https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/116. Acesso em: 3 may. 2024.