Hoang, L. V.; Nguyen, H. N.; Truong, T. H.; Al-Tawaha, A. R. M. S.; Le, H. C. [RETRACTED] Experimental Study on Impact of Thermal-Assisted Machining on SKD11 Steel Machinability. Int. J. Adv. Sci. Eng. Inf. Technol. 2020, 10, 1954-1962.