Chen, Qin. “Homotopy Analysis Method for Solving Fuzzy Fractional Volterra-Fredholmintegro-Differential Equations”. Academic Journal of Science and Technology 12, no. 1 (August 20, 2024): 172–177. Accessed June 20, 2026. https://drpress.org/ojs/index.php/ajst/article/view/24979.