Thu Lynn, T., and E. Eaint. “Position Control of DC Servo Drive by Fuzzy Logic Controller in Flat-Bed Screen Printing Machine”. American Scientific Research Journal for Engineering, Technology, and Sciences, vol. 26, no. 1, Oct. 2016, pp. 8-19, https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/2176.