“Solving Clamped Kirchhoff Plate Bending Problems Using Superposition of Sinusoidal and Polynomial Basis Functions in the Ritz Variational Method”. Iraqi Journal of Civil Engineering 18, no. 2 (December 1, 2024): 52–72. Accessed June 28, 2025. https://ijce.uoanbar.edu.iq/ijce/article/view/283.