| |
| 2007 | ||
|---|---|---|
| 1 | EE | Marc Hassenzahl, Daniel Ullrich: To do or not to do: Differences in user experience and retrospective judgments depending on the presence or absence of instrumental goals. Interacting with Computers 19(4): 429-437 (2007) |
| 1 | Marc Hassenzahl | [1] |