Rajasekaran, Mogheshwar, 		Koto, J, 		Arief, Dodi, 		Dalil, M, 		Badri, Muftil, AND 		B.N, Ridho.
" Application of an Alternative Material to the Portland cement for the Cementing of Wellbore Top Casings of Subsea Wellhead" <em>Proceeding of Ocean, Mechanical and Aerospace -Science and Engineering-</em> [Online], Volume 5 Number 1 (18 November 2018)