"Journal of the Learning Sciences, 18"(1), 7–44.pdf* Fle3 Learning Environment - Fle3 أداة عبر الإنترنت لبناء المعرفة مفتوحة المصدر
"Journal of the Learning Sciences, 18"(1), 7–44.pdf== External links ==* Fle3 Learning Environment - Fle3 is an open source online tool for knowledge building