Arief, Dodi, 		Badri, Muftil, 		Dalil, M., 		Reforiandi, Agus, AND 		Permana, Agus.
" Calibration Of Vickers Hardness Test PT.Tenaris Seamless Pipe Indonesia Jaya Cilegon Using Standar Blok" <em>Journal of Ocean, Mechanical and Aerospace -science and engineering-</em> [Online], Volume 64 Number 3 (30 November 2020)