Kamardeen A. OGUNBAJO, Benjamin I. UGHEOKE, Ibrahim D. MUHAMMAD, and Emmanuel ONCHE. “Application of Upper Bound Analysis and Taguchi Method in Aluminium Extrusion”. FUDMA Journal of Engineering and Technology 1, no. 2 (August 8, 2025): 97–109. Accessed June 14, 2026. https://fjet.fudutsinma.edu.ng/index.php/fjet/article/view/21.