CHELANI, A.; OLAYINKA, F. Letters to the Editor. Journal of System Safety, [S. l.], v. 54, n. 1, p. 4–6, 2018. DOI: 10.56094/jss.v54i1.81. Disponível em: https://jsystemsafety.com/index.php/jss/article/view/81. Acesso em: 4 jun. 2026.