%0 Journal Article %T Analysis of surface roughness, sound level, vibration and current when machining AISI 1040 steel %A ÅžAHİNOÄžLU, A. %A GÜLLÜ, A. %A ÇİFTÇİ, Ä. %J Sigma Journal of Engineering and Natural Sciences %D 2019 %V 37 %P 423-437 %R