DUC, Q. V. Hydroforming for Small Hollow Protrusion in T- and X-Shaped Joints. Engineering, Technology & Applied Science Research, Greece, v. 15, n. 6, p. 29306–29311, 2025. DOI: 10.48084/etasr.14242. Disponível em: https://etasr.com/index.php/ETASR/article/view/14242. Acesso em: 30 apr. 2026.