Godspower, Imiete, and Kpang Tsaro. “Health Risk Behaviors of Employees in Selected Oil Servicing Companies in Port Harcourt”. International Journal of Occupational Safety and Health 9, no. 1 (August 5, 2019). Accessed October 14, 2019. https://www.nepjol.info/index.php/IJOSH/article/view/25163.