O. HAMAD, I. Some Nonstrandard Result of Continuous, Monotonic Functions. Journal of Education and Science, [S. l.], v. 17, n. 2, p. 80–86, 2005. DOI: 10.33899/edusj.2005.81311. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/41777. Acesso em: 9 sep. 2025.