Approximate Solution of linear Fredholm-Volterra Integro- Differential Equations of Two-Dimensional. Journal of the College of Basic Education, [S. l.], v. 18, n. 74, p. 15–22, 2023. DOI: 10.35950/cbej.v18i74.9376. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/9376.. Acesso em: 17 jul. 2024.