O. HAMAD, I.; حمد. Some Nonstrandard Result of Continuous, Monotonic Functions. Journal of Education and Science (JES), [S. l.], v. 17, n. 2, p. 80–86, 2005. DOI: 10.33899/edusj.2005.81311. Disponível em: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17635. Acesso em: 4 aug. 2025.