Etefa, Mesfin, and Gaston N’Guerekata. “Existence and Stability Analysis of Solutions for Fractional Differential Equations With Delay”. Malaya Journal of Matematik 11, no. S (October 1, 2023): 43–52. Accessed May 20, 2024. https://www.malayajournal.org/index.php/mjm/article/view/315.