Ginting M, Sailon S, Yusuf M, Prasetyo RA. ANALISA KOEFISIEN GESEK PELUMAS MESIN MULTI GRADE. AUS [Internet]. 2018Oct.31 [cited 2024Apr.25];10(2):61-6. Available from: https://jurnal.polsri.ac.id/index.php/austenit/article/view/1187