ALIAMRAN, S.; KARNADI. Determination of Optimal Sand Material selection for Sand moulding using DMAIC Method: Indonesia. JIeTri : Journal of Industrial Engineering Tridinanti, [S. l.], v. 1, n. 02, p. 01–08, 2023. Disponível em: https://ejournal.univ-tridinanti.ac.id/index.php/Jietri/article/view/179. Acesso em: 5 oct. 2024.