| Collins et al., 2009Collins, A., Fischer, G., Barron, B., Liu, C.-C., & Spada, H. (2009). Long-tail learning: a unique opportunity for CSCL?. In Proceedings of the 9th international conference on Computer supported collaborative learning - Volume 2, CSCL'09 (22--24). International Society of the Learning Sciences. | Collins, A., Fischer, G., Barron, B., Liu, C.-C., & Spada, H. (2009). Long-tail learning: a unique opportunity for CSCL?. In Proceedings of the 9th international conference on Computer supported collaborative learning - Volume 2, CSCL'09 (22–24). International Society of the Learning Sciences. |