Identification of Potential Risks and Controlling Factors Associated with Helicopter Operation: A Mix-Method Investigation from Oil and Gas Industries. International Journal of Integrated Engineering, [S. l.], v. 11, n. 9, p. 115–122, 2019. Disponível em: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/5437.. Acesso em: 3 jul. 2024.