Arief, Dodi, 		Jadmiko, Eko, 		Prayitno, Adhy, 		Badri, Muftil, AND 		Dalil, M..
" Making roundness measurement applications and control systems on the Roundness Tester Machine" <em>Journal of Ocean, Mechanical and Aerospace -science and engineering-</em> [Online], Volume 63 Number 3 (30 November 2019)