Duressa, Gemechis File, and Mesfin Mekuria Woldaregay. “Fitted Numerical Scheme for Solving Singularly Perturbed Parabolic Delay Partial Differential Equations”. Tamkang Journal of Mathematics 53, no. 4 (November 1, 2022): 345–362. Accessed July 16, 2024. https://journals.math.tku.edu.tw/index.php/TKJM/article/view/3638.