Comparative Analysis of Delta Perturbation Method and Homotopy Perturbation Method for Thin Film Flow of Third-Grade Fluid. Annual Methodological Archive Research Review, [S. l.], v. 4, n. 1, p. 40–57, 2026. DOI: 10.66021/. Disponível em: https://www.amresearchjournal.com/index.php/Journal/article/view/2053. Acesso em: 17 oct. 2026.