SAUDDIN, Adnan. Pendekatan Zone of Tolerance, Kano dan Lean Six Sigma untuk Layanan Administasi Akademik. Jurnal MSA ( Matematika dan Statistika serta Aplikasinya), [S. l.], v. 5, n. 2, p. 54, 2017. DOI: 10.24252/msa.v5i2.4510. Disponível em: https://journal.uin-alauddin.ac.id/index.php/msa/article/view/4510. Acesso em: 8 jun. 2025.