ALMEIDA, Julio Cézar de; SARDÁ, Alexandre Pescador; DE OLIVEIRA, Hermes Stefano Ferreira. Classification of hazardous areas - natural gas installations. International Journal of Advanced Engineering Research and Science, [S. l.], v. 9, n. 3, 2022. Disponível em: https://journal-repository.com/index.php/ijaers/article/view/4801.. Acesso em: 22 jul. 2024.