MITCHELL, R. President’s Message: Conversion. Journal of System Safety, [S. l.], v. 56, n. 2, p. 1, 2020. DOI: 10.56094/jss.v56i2.17. Disponível em: https://jsystemsafety.com/index.php/jss/article/view/17. Acesso em: 25 oct. 2025.