Hesti Budiwati. Pendekatan Lean Six Sigma Dalam Penentuan Prioritas Perbaikan Layanan Bank Berdasarkan Persepsi, Harapan Dan Kepentingan Nasabah. JM [Internet]. 2017 Feb. 24 [cited 2024 May 6];21(1):1-16. Available from: http://www.ecojoin.org/index.php/EJM/article/view/144