KOENIG, Wolfgang; MERTENS, Peter; BARBIAN, Dina. The German Information Systems Perspective. Systèmes d’Information et Management (French Journal of Management Information Systems), [S. l.], v. 7, n. 3, p. 39–47, 2002. Disponível em: https://revuesim.org/index.php/sim/article/view/123. Acesso em: 12 jul. 2026.