Safril, W.H. Azmi, Sharif, M. and Zawawi, N. 2024. The Tribology Evaluation on a Four-Ball Tribometer Lubricated by Al2O3/PAG Nanolubricants. International Journal of Automotive and Mechanical Engineering. 21, 1 (Mar. 2024), 11055–11063. DOI:https://doi.org/10.15282/ijame.21.1.2024.09.0855.