Harir, A., S. Melliani, and L.S. Chadli. “Fuzzy Fractional Hybrid Differential Equations”. Carpathian Mathematical Publications 14, no. 2 (August 6, 2022): 332–344. Accessed February 22, 2026. https://journals.pnu.edu.ua/index.php/cmp/article/view/4745.