Vidyasagar V, Sridevi M. Numerical Solutions For Singularly Perturbed Differential-Difference Equations: A Dual-Layer Fitted Approach. Migrat. Lett. [Internet]. 2024Mar.4 [cited 2024Nov.24];21(S7):735-43. Available from: https://migrationletters.com/index.php/ml/article/view/8804