Supriatna, Ade. “PENENTUAN TINGKAT KEGAGALAN MESIN OVER HEAD CRANE”. Jurnal Sains & Teknologi Fakultas Teknik Universitas Darma Persada 3, no. 1 (March 15, 2013): 9–14. Accessed November 14, 2024. https://unsada.e-journal.id/jst/article/view/366.