A Bernstein Operational Matrix Approach for Solving Certain Nonlinear Volterra-Fredholm Integro-Differential Equations Involved by Caputo Fractional Derivative. JUBPAS [Internet]. 2025 Sep. 30 [cited 2025 Dec. 5];33(3):309-54. Available from: https://mail.journalofbabylon.com/index.php/JUBPAS/article/view/6013