Fractional-order modeling of visceral leishmaniasis disease transmission dynamics : strategies in eastern Sudan. Journal of the Nigerian Society of Physical Sciences, [S. l.], v. 5, n. 4, p. 1693, 2023. DOI: 10.46481/jnsps.2023.1693. Disponível em: https://journal.nsps.org.ng/index.php/jnsps/article/view/1693.. Acesso em: 13 nov. 2024.