Fajri, Hidayatul, 		Putri, Risyda, 		Gunawarman, Gunawarman, 		Tjong, Djong Hon, AND 		Manjas, Menkher.
" Collagen Coating on Titanium Alloy (TNTZ) with Dip Coating Method as Prosthetic Devices in Biomedical Aplications" <em>Journal of Subsea and Offshore -science and engineering-</em> [Online], Volume 15 Number 1 (7 October 2018)