Approximated Methods for Linear Delay Differential Equations Using Weighted Residual Methods. Baghdad Science Journal, Iraq, Baghdad, v. 4, n. 4, p. 658–665, 2025. DOI: 10.21123/bsj.2007.4.4.658-665. Disponível em: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/851.. Acesso em: 19 jun. 2025.