Impacts of Porous Medium on Unsteady Helical Flows of Generalized Oldroyd-B Fluid with Two Infinite Coaxial Circular Cylinders. Iraqi Journal of Science, [S. l.], v. 62, n. 5, 2021. DOI: 10.24996/10.24996/ijs.2021.62.5.31. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/3545.. Acesso em: 22 nov. 2024.