NURUL HAYATI ABDUL HALIM, CHE HARON, C.H. , ABDUL GHANI, J., AZHAR, M.F. and M.Z. Zulkifli 2023. The correlation of surface roughness and tool edge condition under sustainable cryogenic machining. Journal of Mechanical Engineering and Sciences. (Mar. 2023), 9315–9323. DOI:https://doi.org/10.15282/jmes.17.1.2023.2.0736.