Joachim Kimmerle and Johannes Moskaliuk and Ulrike Cress, Individual Learning and Collaborative Knowledge Building with Shared Digital Artifacts. journal = {International Journal of Psychological and Behavioral Sciences}, [online]. World Academy of Science, Engineering and Technology. October 2008, vol. 22(10). 1171 - 1178 [viewed 21 September 2024]. Available from: https://publications.waset.org/pdf/7501.