2026. 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, 1 (Nov. 2026), 1289–1297. DOI:https://doi.org/10.21070/44edbd30.