S.S. SANDHYA; H. ASWATHY. Some results on harmonic index of root square mean graphs. Malaya Journal of Matematik, India, v. 8, n. 04, p. 2277–2281, 2020. DOI: 10.26637/MJM0804/0163. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1988. Acesso em: 22 nov. 2024.