S. Ziebarth, N. Malzahn, и H. Hoppe. Proceedings of the 14th International Conference on Artificial Intelligence in Education (AIED 2009), Brighton, England, (июля 2009)
S. Ziebarth, N. Malzahn, и H. Hoppe. Proceedings of the 14th International Conference on Artificial Intelligence in Education (AIED 2009), Brighton, England, (июля 2009)