K. min Chang, J. Beck, J. Mostow, and A. Corbett. Intelligent Tutoring Systems, volume 4053 of Lecture Notes in Computer Science, page 104-113. Springer, (2006)
S. Lallé, J. Mostow, V. Luengo, and N. Guin. Artificial Intelligence in Education, volume 7926 of Lecture Notes in Computer Science, Springer Berlin Heidelberg, (2013)
S. Lallé, J. Mostow, V. Luengo, and N. Guin. Artificial Intelligence in Education, volume 7926 of Lecture Notes in Computer Science, Springer Berlin Heidelberg, (2013)