Azis, Mohammad Ivan. “Numerical Solutions for 2D Unsteady Laplace-Type Problems of Anisotropic Functionally Graded Materials”. Mathematical Modelling and Analysis 27, no. 2 (April 27, 2022): 303–321. Accessed January 6, 2025. https://mla.vgtu.lt/index.php/MMA/article/view/14463.