Ester Indah, N., G. G. R. Gunadi, and M. H. Tullah. “Manajemen Perawatan Unit Tadano Rough Terrain Crane GR-500EXL Di Dinas Bina Marga”. Prosiding Seminar Nasional Teknik Mesin, vol. 12, no. 2, Apr. 2023, pp. 1726-34, https://prosiding.pnj.ac.id/sntm/article/view/509.