I. Khaleel, O. (2023) “Variational Iteration Method for Solving Multi-Fractional Integro Differential Equations”, Iraqi Journal of Science, 55(3A), pp. 1086–1094. Available at: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11396 (Accessed: 15 December 2025).