Al-Hayani, W. M., & Younis, M. T. (2023). The Homotopy Perturbation Method for Solving Nonlocal Initial-Boundary Value Problems for Parabolic and Hyperbolic Partial Differential Equations. European Journal of Pure and Applied Mathematics, 16(3), 1552–1567. https://doi.org/10.29020/nybg.ejpam.v16i3.4794