Author: Timo Christophersen
Konradt, Udo, Christophersen, Timo, Schaeffer-Kuelz, Ute (2006): Predicting user satisfaction, strain and system usage of employee self-services. In International Journal of Human-Computer Studies, 64 (11) pp. 1141-1153. https://dx.doi.org/10.1016/j.ijhcs.2006.07.001
Konradt, Udo, Wandke, Hartmut, Balazs, Bjorn, Christophersen, Timo (2003): Usability in online shops: scale construction, validation and the influence on the buyers'. In Behaviour and Information Technology, 22 (3) pp. 165-174.