Shaheen, W. H. A., Salman, M., Tolephih, M. H., Alsharifi, T., Abd Al-Sahb, W. S., & Abdullah, O. I. (2025). Investigation of the Machining Parameters and the Environment of Polyamide 6 on Surface Roughness Using Experimental and Statistical Methods. Engineering, Technology & Applied Science Research, 15(6), 28454–28459. https://doi.org/10.48084/etasr.13208