HEYKHAL, M. Pendekatan Lean dan Six Sigma untuk Manajemen Mutu di Transportasi Laut : studi kasus. Jurnal Cakrawala Bahari, [S. l.], v. 8, n. 2, p. 287–298, 2025. DOI: 10.70031/jkb.v8i2.243. Disponível em: https://jurnal.poltekpelsumbar.id/index.php/jcb/article/view/243. Acesso em: 23 jan. 2026.