MATHEMATICAL MODELLING OF COVID-19 TRANSMISSION DYNAMICS IN NIGERIA WITH CONTROL THROUGH VACCINATION, TREATMENT, AND AWARENESS CAMPAIGNS. Nigerian Journal of Technology, [S. l.], v. 44, n. 4, p. 732–745, 2026. DOI: 10.4314/njt.2025.3692. Disponível em: https://www.nijotech.com/index.php/nijotech/article/view/3692. Acesso em: 16 apr. 2026.