Kramarski, B., & Dudai, V. (2009).
Group-metacognitive support for online inquiry in mathematics with differential self-questioning. Journal of Educational Computing Research, 40 (4), 365-392.
Passig, D., & Schwartz, G. (2007).
Collaborative writing: Online vs. frontal. International Journal on E-Learning, 6 (3), 395-412.
Kramarski, B., & Gutman, M. (2006).
How can self-regulated learning be supported in mathematical e-learning environments? Journal of Computer Assisted Learning, 22, 24-33.
Romi, S., Hansenson, G., & Hansenson, A. (2002).
E-learning: A comparison between expected and observed attitudes of normative and dropout adolescents. Educational Media International, 39(1), 47-54.