SAENGKHIAO, P.; LAWANWONG, K. Increasing the dimensional accuracy of U-bend product of high strength steel sheets by controlling the pressure pad. วารสารวิจัย มทร. กรุงเทพ, Bankok, Thailand, v. 12, n. 1, p. 55–70, 2018. Disponível em: https://ph02.tci-thaijo.org/index.php/rmutk/article/view/133721. Acesso em: 2 ก.ย. 2026.