Samudra Perkasa Adi Surya, Yuli Mafendro Dedet Eka Saputra, and Arif Suryono. 2023. “Upgrade Heat Exchanger Dan Addditional Lubricating Circulation Gear Symetro Di 564-MD1”. Prosiding Seminar Nasional Teknik Mesin 13 (1):253-62. https://prosiding.pnj.ac.id/sntm/article/view/1656.