Adrianto, Wahyu, and Muhammad Kholil. 2016. “Analisis Penerapan Lean Production Process Untuk Mengurangi Lead Time Process Perawatan Engine (Studi Kasus PT.GMF AEROASIA)”. Jurnal Optimasi Sistem Industri 14 (2):299–309. https://doi.org/10.25077/josi.v14.n2.p299–309.2015.