JAMEEL, G. Existence and Uniqueness Solution of Second Order Nonlinear Integro-Differential Equations with Boundary Conditions. Journal of Education and Science (JES), [S. l.], v. 21, n. 2, p. 155–163, 2008. DOI: 10.33899/edusj.2008.51230. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/24431. Acesso em: 7 aug. 2025.