“Integrated Response Surface Methodology and Gaussian Process Regression for Multi-Objective Particle Swarm Optimization of Tribological Performance in AZ91 ZrO₂ Composites”. International Journal of Materials Innovation and Engineering 1, no. 1 (October 30, 2026). Accessed October 30, 2026. https://ijmie.com/index.php/ijmie/article/view/16.