SIMMONS, R. President’s Message: Expense Now, Savings Tomorrow. Journal of System Safety, [S. l.], v. 52, n. 1, p. 2–3, 2016. DOI: 10.56094/jss.v52i1.130. Disponível em: https://jsystemsafety.com/index.php/jss/article/view/130. Acesso em: 21 apr. 2026.