HAMAD, I. O.; JUMHA, S. H. On Some Types of Functions in Nonstandard Analysis. Science Journal of University of Zakho, [S. l.], v. 4, n. 2, p. 253–257, 2016. Disponível em: https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/358. Acesso em: 28 apr. 2024.