Nabil Tawfik El-dabe, Mohamed Yahya Abou-zeid, Ola S. Ahmed. Motion of aThin Film of aFourth Grade Nanofluid with Heat Transfer Down a Vertical Cylinder: Homotopy Perturbation Method Application. J. Adv. Res. Fluid Mech. Therm. Sc. [Internet]. 2024 Mar. 28 [cited 2024 Nov. 22];66(2):101-13. Available from: https://semarakilmu.com.my/journals/index.php/fluid_mechanics_thermal_sciences/article/view/3749