Arslan, Derya. “A New Robust Application for Singularly Perturbed Volterra-Integro Differential Equations”. Communications in Mathematics and Applications 16, no. 2 (August 20, 2025): 419–428. Accessed October 26, 2025. https://www.journals.rgnpublications.com/index.php/cma/article/view/3108.