Ashar, Ashar -, and Siti Nur Kayatun. 2018. “Analisis Efektifitas Alat Berat “Alat Berat” PT.Henrison Iriana Dengan Metode Lcc “Life Cycle Cost” Dan Oee “Overall Eqipment Effectivness”. Metode : Jurnal Teknik Industri 4 (1):23-28. https://doi.org/10.33506/mt.v4i1.987.