Attainable Order of Hybrid Methods from Polynomial Nodes for Non-Linear Singularly Perturbed Initial Value Problems. International Journal of Development Mathematics (IJDM), [S. l.], v. 2, n. 1, p. 001–021, 2025. DOI: 10.62054/ijdm/0201.01. Disponível em: https://ijdm.org.ng/index.php/Journals/article/view/156.. Acesso em: 4 jun. 2026.