Hasan, N.N. and Hussien, D.A. (2018) “Generalized Spline Method for Integro-Differential Equations of Fractional Order”, Iraqi Journal of Science, 59(2C), pp. 1093–1099. Available at: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/369 (Accessed: 7 July 2026).