Optimal Control of Typhoid Fever Transmission With Imperfect Diagnosis and Multiple Interventions. Nigerian Journal of Operations Research, [S. l.], v. 3, n. 2, p. 161–173, 2026. DOI: 10.67868/gfg28r12. Disponível em: https://nijor.org.ng/index.php/nijor/article/view/14. Acesso em: 1 sep. 2026.