Issa K, Ridwan A, Hambali Suleiman M. Analytical Solution of Generalized Fractional Integro-Differential Equations via Shifted Gegenbauer Polynomials. MATEMATIKA [Internet]. 2024 Dec. 31 [cited 2025 Jan. 30];40(3):113-29. Available from: https://matematika.utm.my/index.php/matematika/article/view/1552