AHMAD TAJUDIN, Mohd Khairil Amri. Six Sigma (DMAIC) Practices In School Discipline Management System. Jurnal Kejuruteraan, Teknologi and Sains Sosial (JKTSS), [S. l.], v. 7, n. 3, 2024. Disponível em: https://jktss.puo.edu.my/jurnalpuo/index.php/jurnal/article/view/88. Acesso em: 10 jan. 2025.