RALPH, Paul; WAND, Yair. A Proposal for a Formal Definition of the Design Concept. Annual Review of Policy Design, [S. l.], v. 1, n. 1, p. 1–35, 2013. Disponível em: https://ojs.unbc.ca/index.php/design/article/view/537. Acesso em: 28 apr. 2024.