SURA GUNA; IRIANI, Yani. Analisis Keterlambatan Penerbitan Setifikat Hasil Uji Menggunakan Metode Lean Six Sigma (Studi Kasus: PT X). Journal of Industrial Science and Mechanical Engineering, [S. l.], v. 1, n. 1, p. 83–94, 2025. Disponível em: https://journal.widyatama.ac.id/index.php/jisme/article/view/3041. Acesso em: 4 jun. 2026.