S. Sekar, and A. S. Thirumurugan. “Numerical Investigation of the Weakly Singular Volterra Integro-Differential Equations Using He0s Homotopy Perturbation Method”. Malaya Journal of Matematik 6, no. 01 (January 1, 2018): 129–132. Accessed November 5, 2024. https://www.malayajournal.org/index.php/mjm/article/view/785.