Puspitasari P, Permanasari AA, Warestu A, Arifiansyah GPP, Pramono DD, Pasang T. Tribology Properties on 5W-30 Synthetic Oil with Surfactant and Nanomaterial Oxide Addition. AE [Internet]. 2023 Dec. 28 [cited 2026 Sep. 30];6(3):669-86. Available from: https://coba.unimma.ac.id/AutomotiveExperiences/article/view/10115