Sherov, K.T., Mussina, Z.K., Sagitov, A.A., Itybayeva, G.T., Mazdubay, A.V., Sherov, A.K., Kossatbekova, D.S., Tussupova, S.O. and Kassenov, A.Z. 2025. A Study on Surface Quality and Stress-State in Rotational Turning of Steel 45 Using Experimental and FEM Approaches. Engineering, Technology & Applied Science Research. 15, 6 (Dec. 2025), 28502–28510. DOI:https://doi.org/10.48084/etasr.12397.