“Efficiency Analysis of Underframe Component Installation Process in the KCI Retrofit Electric Multiple Unit (EMU) Project at PT Xxx Using a Lean Manufacturing Approach: Analisis Efisiensi Proses Pemasangan Komponen Underframe Pada Proyek KRL KCI Retrofit Di PT Xxx Dengan Pendekatan Lean Manufacturing”. Procedia of Engineering and Life Science 10, no. 1 (November 13, 2026): 1289–1297. Accessed November 15, 2026. https://pels.umsida.ac.id/index.php/PELS/article/view/2843.