Mohamed Ariffin, N. A. A., Tan, J. Y., Lee, C. T., & Chong, W. W. F. (2025). Effect of Worn Top Compression Ring and Lubricant Degradation Towards Engine In-Cylinder Frictional Losses. Journal of Transport System Engineering, 12(1), 16–23. https://doi.org/10.11113/jtse.v12.244