BERTELSEN, O. Elements of a Theory of Design Artefacts: a contribution to critical systems development research. PhD Thesis. DAIMI Report Series, [S. l.], v. 27, n. 531, 1998. DOI: 10.7146/dpb.v27i531.7060. Disponível em: https://tidsskrift.dk/daimipb/article/view/7060. Acesso em: 9 may. 2024.