1. Assessing teaching presence in a computer conferencing environment.;T.Anderson;Journal of Asynchronous Learning Networks,2001
2. Armstrong, D. (2010). A qualitative study of undergraduate students' approaches, perceptions, and use of online tools. San Francisco, CA: University of San Francisco. Retrieved from http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3416992
3. Can students improve their learning with the use of an Instructor's extensive feedback assessment process?;N.Chang;International Journal of Instructional Technology and Distance Learning,2009