Novel Insights into $C$-Class Functions and Fixed Point Theorems for $(\psi - \phi)$-Contractive Mappings within $G_{\mathcal{F}}$-Metric Spaces. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 19, n. 1, p. 7331, 2026. DOI: 10.29020/nybg.ejpam.v19i1.7331. Disponível em: https://www.ejpam.com/ejpam/article/view/7331. Acesso em: 23 feb. 2026.