Best approximation in metric space for contractive mapping of integral type and Applications of fixed point to Approximation theory. Journal of the College of Basic Education, [S. l.], v. 20, n. 84, p. 869–881, 2022. DOI: 10.35950/cbej.v20i84.8445. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/8445.. Acesso em: 7 jul. 2024.