“Impacts of Activation Energy and Modified Darcy Law on the Motion of Williamson Nanofluid over a Stretching Riga Sheet through Porous Medium”. European Journal of Pure and Applied Mathematics 18, no. 1 (February 16, 2025): 5616. Accessed February 22, 2025. https://www.ejpam.com/index.php/ejpam/article/view/5616.