H. Mahmood A, اکرم, F. Abdullah S, سارة. Existence and Uniqueness of Mild Solution for Mixed type of Integro-Differential Equation. EDUSJ [Internet]. 2018 Dec. 28 [cited 2025 Aug. 4];27(4):161-7. Available from: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17804