Raza A, Khan A. Treatment of Singularly Perturbed Differential Equations with Delay and Shift Using Haar Wavelet Collocation Method. Tamkang J. Math. [Internet]. 2022 Nov. 1 [cited 2024 May 3];53(4):303-22. Available from: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/3250