Advances in Rational Contractions within Extended $b-$Metric Spaces and Their Applications. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 18, n. 3, p. 6056, 2025. DOI: 10.29020/nybg.ejpam.v1i2.6056. Disponível em: https://www.ejpam.com/ejpam/article/view/6056. Acesso em: 23 feb. 2026.