LAITH OMAR AGA, N. Existence of Positive Solutions of Boundary Value Problem For FractionalOrder Differential Equation. Journal of Education and Science (JES), [S. l.], v. 29, n. 2, p. 149–157, 2020. DOI: 10.33899/edusj.2019.125873.1014. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/24109. Acesso em: 6 aug. 2025.