Fixed Theorems in New Extended B Metric Spaces and Applications to System of Linear Equations. IAENG International Journal of Applied Mathematics, [S. l.], v. 55, n. 9, p. 2980–2987, 2025. Disponível em: https://ijesworld.com/index.php/IEANG/article/view/81. Acesso em: 10 oct. 2025.