K. Dawson, C. Cavanaugh, and A. Ritzhaupt. Proceedings of Society for Information Technology & Teacher Education International Conference, 2009, page 36 - 41. Chesapeake, VA, Association for the Advancement of Computing in Education (AACE), (2009)
K. Umapathy, L. Jamba, and A. Ritzhaupt. The Proceedings of the Conference on Information Systems Applied Research, 2, page 1 - 8. Washington DC, (2009)
S. Tönnies, B. Köhncke, O. Koepler, and W. Balke. Datenbanksysteme in Business, Technologie und Web (BTW 2009), 13. Fachtagung des GI-Fachbereichs "Datenbanken und Informationssysteme" (DBIS), GI, (2009)