JIE, H. F. Optimum design for spring with orthogonal design method. Tanzania Journal of Engineering and Technology, [S. l.], v. 17, n. 1, p. 26-30, 1993. DOI: 10.52339/tjet.v17i1.145. Disponível em: https://tjet.udsm.ac.tz/index.php/tjet/article/view/145. Acesso em: 5 dec. 2024.