Mathematical study of the impact of vaccination on the dynamics of human papillomavirus infection using homotopy perturbation method. SRA - Physical Sciences, [S. l.], v. 2, n. 1, 2026. DOI: 10.63112/5evdy616. Disponível em: https://sra.com.ng/index.php/sra-physical/article/view/157. Acesso em: 2 jul. 2026.