Farhan, Khalid. “A Novel Approach to Solving Singularly Perturbed Differential Algebraic Equations: Regularized Laplace Homotopy Perturbation Method”. Statistics, Optimization & Information Computing 14, no. 5 (July 28, 2025): 2503–2517. Accessed May 6, 2026. https://iapress.org/index.php/soic/article/view/2439.