Shallal Saadoon Hatab H. Series Solution of 3D Unsteady Reaction Diffusion Equations Using Homotopy Analysis Method. PSIJk [Internet]. 2024 Sep. 30 [cited 2025 Apr. 13];1(3):34-42. Available from: https://mail.journals.uokerbala.edu.iq/index.php/psijk/article/view/1886