S. Younes, A., and عزام. “Some Results in the Theory of Fractional Order Integro-Differential Equation With Boundary Conditions”. AL-Rafidain Journal of Computer Sciences and Mathematics, vol. 7, no. 2, June 2025, pp. 101-14, https://rjps.uomosul.edu.iq/index.php/csmj/article/view/19330.