Badri, Muftil, 		Arief, Dodi Sofyan, 		Solih, Aji Mahmud, 		Ayunita, Dyna, AND 		Muflihana, Afdila.
" Sieving Machine Calibration Using a Profile Projector with Standard Method ASTM E-11 2004" <em>Journal of Ocean, Mechanical and Aerospace -science and engineering-</em> [Online], Volume 57 Number 1 (7 October 2018)