Some Fixed Point Theorems for \(\Theta-\phi\)-Multivalued Contraction Mappings in Rectangular \(b\)-Metric Spaces. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 18, n. 2, p. 6086, 2025. DOI: 10.29020/nybg.ejpam.v18i2.6086. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/6086. Acesso em: 5 dec. 2025.