“The Homotopy Perturbation Method for Solving Nonlocal Initial-Boundary Value Problems for Parabolic and Hyperbolic Partial Differential Equations”, Eur. J. Pure Appl. Math., vol. 16, no. 3, pp. 1552–1567, Jul. 2023, doi: 10.29020/nybg.ejpam.v16i3.4794.