Özpınar, Figen. “Discrete Homotopy Analysis Method to Solve Nabla Fractional Partial Difference Equations”. Journal of Fractional Calculus and Nonlinear Systems 3, no. 1 (June 28, 2022): 46–57. Accessed May 30, 2026. https://www.sabapub.com/index.php/jfcns/article/view/496.