On Fixed Point Theorems by Using Rational Expressions in Partially Ordered Metric Space. Iraqi Journal of Science, [S. l.], v. 63, n. 7, p. 3088–3097, 2022. DOI: 10.24996/ijs.2022.63.7.29. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/4451.. Acesso em: 7 apr. 2025.