Younis, Mahasin Thabet, and Waleed Al-Hayani. 2025. “Solving Fuzzy System for Volterra-Fredholm Integral Equations of the Second Kind Using Homotopy Perturbation Method”. Results in Nonlinear Analysis 8 (2):207–221. https://nonlinear-analysis.com/index.php/pub/article/view/625.