Solving Obstacle Problems using Optimal Homotopy Asymptotic Method. Global Journal of Sciences, [S. l.], v. 2, n. 2, p. 94–111, 2025. DOI: 10.48165/gjs.2025.2208. Disponível em: https://www.journals.acspublisher.com/index.php/gjs/article/view/22641. Acesso em: 15 oct. 2025.