NUMERICAL SOLUTIONS OF THIRD ORDER FREDHOLM INTEGRO DIFFERENTIAL EQUATION VIA LINEAR MULTISTEP-QUADRATURE FORMULAE. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 7, n. 3, p. 33–44, 2023. DOI: 10.33003/fjs-2023-0703-1785. Disponível em: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/1785. Acesso em: 12 sep. 2025.