Ogunbajo, Kamardeen Adebayo, Ben Iyenagbe Ugheoke, Ibrahim Dauda Muhammad, and Emmanuel Onche. “Application of Upper Bound Analysis and Taguchi Method In Aluminium Extrusion”. ABUAD Journal of Engineering Research and Development (AJERD) 8, no. 2 (July 18, 2025): 157–169. Accessed July 19, 2025. https://journals.abuad.edu.ng/index.php/ajerd/article/view/1439.