“Kajian Produktivitas Alat Gali Muat dan Alat Angkut dari Pit 1 untuk Pengangkutan Batu Granit di PT Aditya Buana Inter Desa Jurung Kecamatan Merawang: Techinical Study of Excavator Productivity and Tools Conveyances from Pit 1 for Transportation Granite Stone at PT Aditya Buana Inter Jurung Village Merawang District”, mineral, vol. 4, no. 1, pp. 18–23, Apr. 2019, doi: 10.33019/mineral.v4i1.1588.