Showing 1 - 3 of 3 Results
1.
Virtual Goods : Technology, Economy, and Legal Aspects by Grimm, Rüdiger, Hass, Berth... ISBN: 9781604564860
2.
Web 2.0: Neue Perspektiven fr Marketing und Medien (German Edition) by Hass, Berthold H., Walsh, G... ISBN: 9783540737001 List Price: $89.95