SHUKER JAMEEL, G. Existence and Uniqueness Solution of Second Order Nonlinear Integro-Differential Equations with Boundary Conditions. Journal of Education and Science, [S. l.], v. 21, n. 2, p. 155–163, 2008. DOI: 10.33899/edusj.2008.51230. Disponível em: https://edusj.uomosul.edu.iq/index.php/edusj/article/view/42559. Acesso em: 10 sep. 2025.