H. SAADOON, L. Integral Operators of Mixed Type of Nonlinear Integral Equation. Journal of Education and Science (JES), [S. l.], v. 27, n. 4, p. 117–127, 2018. DOI: 10.33899/edusj.2018.159290. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23792. Acesso em: 6 aug. 2025.