Bleed, R. (2005, August). Visual literacy in higher education. Explorations. Retrieved June 1, 2006, from http://www.educause.edu/ir/library/pdf/ELI4001.pdf
2.
Jarvis, P. (2001). The changing educational scene. In P. Jarvis. (Ed.), The age of learning (pp. 27-38). London: Kogan Page.
3.
Tileston, D. W. (2000). 10 best teaching practices. Thousand Oaks, CA: Corwin.