1. OSHA. Occupational Safety and Health Administration. COVID-19 Control and Prevention / Oil and Gas Industry Workers and Employers. U. S. Department of Labor. [acesso em 2020 julho 28]. Disponível em: CLIQUE AQUI
2. OSHA. Occupational Safety and Health Administration. Guidance on Preparing Workplaces for COVID-19. U. S. Department of Labor. 3990-03, 2020. [acesso em 2020 julho 28]. Disponível em: CLIQUE AQUI