Journal of Information Technology Education, Vol. 3 (2004), pp. 173-188.
Communication Education, Vol. 54, No. 4. (October 2005), pp. 355-364.
Educational Media International, Vol. 42, No. 3. (September 2005), pp. 207-218.
(01 November 2003)
British Journal of Educational Technology, Vol. 36, No. 5. (September 2005), pp. 919-921.
Computers and Composition, Vol. 23, No. 1. (2006), pp. 108-124.
Campus-Wide Information Systems, Vol. 22, No. 3. (March 2005), pp. 162-167.
Distance Education, Vol. 26, No. 1. (May 2005), pp. 67-87.
Australian Journal of Educational Technology, Vol. 19, No. 1. (2003), pp. 100-117.
International Review of Research in Open and Distance Learning, Vol. 6, No. 2. (2005), pp. 1-25.
Australian Journal of Educational Technology, Vol. 19, No. 2. (2003), pp. 241-259.
Journal of Information Technology Education, Vol. 1, No. 3. (2002), pp. 201-211.
Distance Education, Vol. 21, No. 2. (2000), pp. 260-277.
Journal of the Learning Sciences, Vol. 2, No. 1. (1992), pp. 1-59.
(2003)
Cognition and Instruction, Vol. 14, No. 1. (1996), pp. 1-43.
The American Journal of Distance Education, Vol. 9, No. 2. (1995), pp. 7-26.
(1996), pp. 65-80.
(1996), pp. 29-46.
(1996), pp. 81-106.
Journal of Interactive Instruction Development, Vol. 13, No. 4. (2001), pp. 3-12.
Journal for Research in Mathematics Education, Vol. 30 (1999), pp. 3-19.
pp. 185-213.
Journal of Computer-Mediated Communication, Vol. 3, No. 3. (1997)
The Journal of the Learning Sciences, Vol. 6, No. 3. (1997), pp. 271-315.
The Journal of General Education, Vol. 50 (2001), pp. 238-254.
Journal of Research on Technology in Education, Vol. 38, No. 2. (2005), pp. 191-212.
International Review of Research in Open and Distance Learning, Vol. 1 (2000), pp. 1-17.
American Journal of Distance Education, Vol. 15, No. 1. (2001), pp. 7-23.
(2002)
The International Review of Research in Open and Distance Learning, Vol. 2, No. 1. (2001)
(1992), pp. 117-136.
The American Journal of Distance Education, Vol. 19, No. 3. (2005), pp. 149-162.
Online Journal of Distance Learning Administration, Vol. 3, No. 2. (2000)
Journal of Distance Education, Vol. 13, No. 1. (1998), pp. 57-74.
Journal of Educational Computing Research, Vol. 17, No. 4. (1997), pp. 395-429.
The American Journal of Distance Education, Vol. 19, No. 3. (2005), pp. 133-148.