R. ROHINI; G. SRIVIDHYA. Some connectivity eccentric indices and modified eccentric indices of Benzenoid $H_k$ system. Malaya Journal of Matematik, India, v. 9, n. 01, p. 431–437, 2021. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1054. Acesso em: 22 nov. 2024.