Application of Cubic B-Spline Functions in Galerkin Finite Element Method for Solving Second Order Sub-Diffusion Equation. Punjab Univ. J. Math. [Internet]. 2025 Nov. 13 [cited 2026 Sep. 2];57(04):353-7. Available from: https://pujm.pu.edu.pk/index.php/pujm/article/view/594