Nagah A. Elbhilil, Muna I. Bnis, and Aml A. Altirban. “Abaoub -Shkheam Transform Techniques to Solve Volterra Integral and Volterra Integro-Differential Equations”. African Journal of Advanced Pure and Applied Sciences (AJAPAS), vol. 2, no. 4, Nov. 2023, pp. 254-60, https://aaasjournals.com/index.php/ajapas/article/view/619.