TY - JOUR T1 - Investigation of Graphene Oxide Synthesized from Recycled Battery Waste as a Friction Modifier in Polyalphaolefin Lubricants AU - Alfian Ferdiansyah Madsuha,Muhammad Ibadurrohman,Havid Aqoma Khoiruddin,Timotius Tanusondjaja ,Riesta Anggarani,Cahyo Setyo Wibowo JO - International Journal of Technology VL - 17 IS - 3 SP - 291 EP - 319 PY - 2026 DA - 2026/05/29 SN - 2087-2100 DO - https://doi.org/10.14716/ijtech.v17i3.8377 UR - https://ijtech.eng.ui.ac.id/article/view/8377