HEWITT, J.; FOITO, D. Cost, Schedule and Safety Benefits of Early System Safety Involvement. Journal of System Safety, [S. l.], v. 55, n. 1, p. 23–31, 2019. DOI: 10.56094/jss.v55i1.56. Disponível em: https://jsystemsafety.com/index.php/jss/article/view/56. Acesso em: 21 apr. 2026.