HAMMARSTRÖM, Pär. From Known Knowns to Unknown Unknowns. Center for Model-Based Cyber-Physical Product Development, [S. l.], v. 19, n. 11, p. 11, 2017. Disponível em: https://wcc.ep.liu.se/index.php/MODPROD/article/view/575. Acesso em: 1 apr. 2025.