Sarhan, Osamah, and Mahdy Raslan. “Offshore Petroleum rigs/Platforms: An Overview of Analysis, Design, Construction and Installation”. International Journal of Advanced Engineering, Sciences and Applications 2, no. 1 (January 31, 2021): 7-12. Accessed June 23, 2021. http://www.londontechpress.co.uk/index.php/ijaesa/article/view/58.