AYATI, Z.; BIAZAR, J. Modification of the Homotopy Perturbation Method and It’s Convergence. Walailak Journal of Science and Technology (WJST), [S. l.], v. 11, n. 7, p. 633–642, 2014. Disponível em: https://wjst.wu.ac.th/index.php/wjst/article/view/863. Acesso em: 8 may. 2024.