The Use of Spectral Methods in Solving Boundary Value Problems and the Study of Their Numerical Efficiency. Al-Noor Journal of Engineering Management and Computer Science, [S. l.], v. 2, n. 1, p. 1–13, 2026. DOI: 10.71229/n5ea2s70. Disponível em: https://njemcs.edu.iq/index.php/njemcs/article/view/13. Acesso em: 13 may. 2026.