Perturbation and bifurcation analysis of a primary-secondary dengue infection transmission model with explicit vector dynamics and optimal control. African Scientific Reports, [S. l.], v. 5, n. 2, p. 438, 2026. DOI: 10.46481/asr.2026.5.2.438. Disponível em: https://asr.nsps.org.ng/index.php/asr/article/view/438. Acesso em: 8 jun. 2026.