Expression of Concern: Comparative Analysis of FTCS, Richardson, and Dufort-Frankel Numerical Methods for Temperature Distribution in a One-Dimensional Rod. Babylonian Journal of Mechanical Engineering [Internet]. 2026 Mar. 5 [cited 2026 Mar. 7];2026:5-. Available from: https://journals.mesopotamian.press/index.php/BJME/article/view/1067