MICHAEL, A. I. .; WASHACHI , D. J. Mathematical Modelling and Transmission on the Dynamic of Syphilis with Exposed, Early and Late Latent Syphilis. International Journal of Science for Global Sustainability, [S. l.], v. 10, n. 1, p. 175–184, 2024. DOI: 10.57233/ijsgs.v10i1.609. Disponível em: https://fugus-ijsgs.com.ng/index.php/ijsgs/article/view/609. Acesso em: 15 apr. 2026.