Christian Schumann is Professor of Business Informatics at the West Saxon University of Zwickau. He received his doctorate and habilitation from Chemnitz University of Technology. Currently, he is university representative for […]

António M. Teixeira (Lisbon, 1965) is an Associate Professor with tenure at Universidade Aberta (UAb), the Portuguese open university, since 1991. A member of the Department of Education and Distance […]