Essam R. EL-ZAHAR; Ghaliah F. AL-BOQAMI; Haifa S. AL-JUAYDI. An Efficient Algorithm for Piecewise Approximate Analytical Solutions of High-order Reaction-Diffusion Singular Perturbation Problems with Boundary and Interior Layers. Mathematics and Computer Science: Research Updates Vol. 5, [S. l.], p. 33–78, 2025. DOI: 10.9734/bpi/mcsru/v5/5126. Disponível em: https://stm.bookpi.org/MCSRU-V5/article/view/18265. Acesso em: 10 jun. 2026.