1. California State University Chico http:rce.csuchico.eduonlinesite.asp October 2, 2002
2. Using computer and video technologies to develop interpersonal skills;Campbell;Computers in Human Behavior,1995
3. Carnegie-Mellon University http:www.distance.cmu.edu October 2, 2002
4. Learner control in asynchronous learning environments;Doherty;(Web) Asynchronous Learning Networks Magazine,1998
5. Drexel University http:www.drexel.com October 2, 2002