M. BHANUMATHI; R. ROHINI; G. SRIVIDHYA. On \(K\)-eccentric and \(K\)-hyper eccentric indices of Benzenoid \(H_k\) system. Malaya Journal of Matematik, India, v. 8, n. 04, p. 2092–2102, 2020. DOI: 10.26637/MJM0804/0131. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1854. Acesso em: 16 jul. 2024.