Solving Partial Differential Equations by Homotopy Perturbation Method. Journal of the College of Basic Education, [S. l.], v. 21, n. 89, p. 157–164, 2022. DOI: 10.35950/cbej.v21i89.6743. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/6743.. Acesso em: 4 jun. 2026.