Isnin, N. S., Sh Abdul Nasir , S. M. F., Hemdi, A. R., Ismail, H., Yusoff, H., & Nurmalasari, R. (2023). THE EFFECT OF CO2 LASER ENGRAVE PARAMETERS ON SURFACE ROUGHNESS ON POLYMETHYLMETHACRYLATE (PMMA) . Jurnal Mekanikal, 46(2), 114–121. https://doi.org/10.11113/jm.v46.495