ISBN 9783540691327 books & textbook
Intelligent Tutoring Systems (9th International Conference, ITS Montreal, Canada, June 2008 Proceedings (LNCS 5091)
Beverly P. Woolf Esma Aimeur Roger Nkambou Susanne Lajoie
Springer /2008T Paperback
isbn-10: 3540691324 / isbn-13: 9783540691327