A Comparative Study of Matched Asymptotic Expansion and Homotopy Perturbation Method for the Reaction-Convection-Diffusion Boundary Value Problem with Mathematica-Based Validation. International Journal of Pure, Applied and Computational Mathematics (IJPACM), [S. l.], v. 1, n. 1, p. 136–150, 2026. Disponível em: https://ijpacm.nobleinkresearch.com/1/article/view/1. Acesso em: 10 sep. 2026.