NON-STANDARD DISCRETIZATION METHODS FOR SOME BIOLOGICAL MODELS. Al-Nahrain Journal of Science, [S. l.], v. 12, n. 1, p. 126–133, 2009. Disponível em: https://mail.anjs.edu.iq/index.php/anjs/article/view/1275. Acesso em: 3 apr. 2025.