Analysis flow of second order fluid in a vertical channel with porous wall by using the Homotopy Analysis Method (HAM). مجلة كلية مدينة العلم الجامعة, [S. l.], v. 7, n. 2, p. 36–48, 2015. Disponível em: https://journal.mauc.edu.iq/index.php/JMAUC/article/view/142. Acesso em: 23 فبراير. 2026.