4[1]David H. Jonassen, Technology as Cognitive Tools:Learners as Designers.http://it.coe.uga.edu/itforum/paper1/paper1.html
5[2]David H. Jonassen, Chad Carr, Hsiu-Ping Yueh, Computers as MindTools for Engaging Learners in Critical Thinking, TechTrends, v43 n2 p24-32, Mar 1998.
6[3]Norman, D.A. (1993). Things that make us smart: Defending human attributes in the age of the machine. Reading,MA: Addison-Wesley Publishing Co.
7[4]Salomon, G. , Perkins, D.N., & Globerson, T. (1991).Partners in cognition: Extending human intelligence with intelligent technologies. Educational Researcher, 20(3), 2-9.
8[5]Introduction to Modeling Dynamic Systems with STELLA [EB/OL].http://www.acad.carleton.edu/curricular/GEOL/DaveSTELLA/modeling/ch2contents.html.
9Winnips, J. C., Scaffolding by Design: A Model for WWW-Based Learner Support, P39.
10"Providing assistance to students on an as-needed basis with fading of assistance as their competence increase", Winnips, J. C., Scaffolding by Design: A Model for WWW-Based Learner Support, P40.
