by Graham, Steve, McKeown, Debra, Kiuhara, Sharlene, Harris, Karen R
Published in Journal of educational psychology (01.11.2012)

by Mulwad, V., Wenjia Li, Joshi, A., Finin, T., Viswanathan, K.
Published in 2011 IEEE/WIC/ACM International Conferences on Web Intelligence and Intelligent Agent Technology (01.08.2011)

by Hutchison, David, Kanade, Takeo, Kittler, Josef, Uhl, Axel, Volter, Markus
Year of Publication 2008

by Firestone, Joseph M
Published in The information management journal (01.09.2005)

by Breeding, Marshall
Published in Computers in Libraries (01.05.2006)