KULLI, V. R.; CHALUVARAJU*, B.; BOREGOWDA, H. S. THE HYPER-ZAGREB INDEX OF SOME DERIVED GRAPHS. International Journal of Mathematical Archive, [S. l.], v. 9, n. 1, 2018. Disponível em: http://www.ijma.info/index.php/ijma/article/view/5332. Acesso em: 19 may. 2026.