CUPU, Dedi Rosa Putra et al. Effect of Slip-to-Roll Ratio on Wear Rate and Friction Coefficient of Palm Oil-Base Biolubricant with Additive of Graphene. Proksima, [S.l.], v. 2, n. 1, p. 24-32, feb. 2024. ISSN 2988-5841. Available at: <https://isomase.org/Journals/index.php/proksima/article/view/614>. Date accessed: 29 july 2026.