Expression of Concern: Optimizing Mechanical Performance of AgC-Reinforced Polymer Nanocomposites: A Quantitative Analysis of Stiffness–Ductility Trade-offs. Babylonian Journal of Mechanical Engineering [Internet]. 2026 Mar. 5 [cited 2026 Mar. 7];2026:4-. Available from: https://journals.mesopotamian.press/index.php/BJME/article/view/1066