Application of Second Zagreb Index on Bipolar Fuzzy Graphs. Journal of Prime Research in Mathematics, [S. l.], v. 22, n. 2, p. 125–150, 2026. DOI: 10.65463/jprm.2026274. Disponível em: https://jprm.sms.edu.pk/index.php/jprm/article/view/274. Acesso em: 30 aug. 2026.