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, [S. l.], v. 10, n. 1, p. 1289–1297, 2026. DOI: 10.21070/44edbd30. Disponível em: https://pels.umsida.ac.id/index.php/PELS/article/view/2843. Acesso em: 15 nov. 2026.