Zeqiri, Fitim, and Burim Fejzaj. “Experimental Research and Mathematical Modeling of Surface Roughness Parameters During Milling of Steel St 52-3”. American Scientific Research Journal for Engineering, Technology, and Sciences, vol. 61, no. 1, Nov. 2019, pp. 186-91, https://asrjetsjournal.org/American_Scientific_Journal/article/view/5386.