Rahmawati N, Sumiati, Safirin M, Tranggono, Dewi S. Teller Services Optimization Using Lean Service Approach at PT. ABC. nuscientech [Internet]. 2023Dec.16 [cited 2025Mar.14];2023(36):168-76. Available from: https://nstproceeding.com/index.php/nuscientech/article/view/1062