Keyword: Portugal
Marcelo Duarte, Fernando Carvalho
J INFORM SYSTEMS ENG, Volume 5, Issue 2, Article No: em0114
Célio Gonçalo Marques, Vasco Gestosa da Silva
J INFORM SYSTEMS ENG, Volume 2, Issue 4, Article No: 22
Rute Abreu, Fátima David, Liliane Segura
J INFORM SYSTEMS ENG, Volume 1, Issue 2, pp. 111-121