SUTONO, S. B. Grey-based Taguchi Method to Optimize the Multi-response Design of Product Form Design. Jurnal Optimasi Sistem Industri, Padang, ID, v. 20, n. 2, p. 136–146, 2021. DOI: 10.25077/josi.v20.n2.p136-146.2021. Disponível em: https://josi.ft.unand.ac.id/index.php/josi/article/view/546. Acesso em: 4 dec. 2022.