MATHEMATICAL MODELING OF HUMAN AFRICAN TRYPANOSOMIASIS (HAT) TRANSMISSION DYNAMICS WITH TWO STAGES OF INFECTION. The Transactions of the Nigerian Association of Mathematical Physics, [S. l.], v. 22, p. 97–114, 2025. DOI: 10.60787/tnamp.v22.556. Disponível em: https://nampjournals.org.ng/index.php/tnamp/article/view/556.. Acesso em: 20 sep. 2025.