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 December 5, 2025. http://www.iapress.org/index.php/soic/article/view/2439.