Scardamalia, M., Bereiter, C., Mclean, R. S., Swallow, J., & Woodruff, E. (1989). Computer-supported intentional learning environments. Journal of Educational Computing Research, 5(1), 51–68.
This article explains design principles of CSILE. These principles are very much based on literature about successful learning. Comparing to knowledge building principles, they are very different in that they emphasize on learning.