CHARREL, P.-J. The Viewpoint Paradigm: a semiotic based approach for the intelligibility of a cooperative designing process. Australasian Journal of Information Systems, Australia, v. 10, n. 1, 2002. DOI: 10.3127/ajis.v10i1.166. Disponível em: https://journal.acs.org.au/index.php/ajis/article/view/166. Acesso em: 26 apr. 2024.