Application of Upper Bound Analysis and Taguchi Method in Aluminium Extrusion. FUDMA Journal of Engineering and Technology, [S. l.], v. 1, n. 2, p. 97–109, 2025. DOI: 10.33003/86qqyh55. Disponível em: https://fjet.fudutsinma.edu.ng/index.php/fjet/article/view/21. Acesso em: 14 mar. 2026.