Pires CJG, Barbosa FNG, Oliveira L da S, Alencar DB de, Fontineles FHS. Risk Assessment for Professionals Performing Excavation Services in Civil Construction: Case Study in Manaus - Amazonas. ijaers. 2019;6(11). Accessed July 22, 2024. https://journal-repository.com/index.php/ijaers/article/view/1330