Computational Numerical Method for Direct Solutions of Second Order Oscillatory Problems. International Journal of Development Mathematics (IJDM), [S. l.], v. 3, n. 2, p. 099–114, 2026. DOI: 10.62054/ijdm/0302.07. Disponível em: https://ijdm.org.ng/index.php/Journals/article/view/332.. Acesso em: 27 jul. 2026.