TY - BOOK AU - Beverley P. Woolf, Esma Aïmeur, Roger Nkambou, Susanne Lajoie TI - Intelligent Tutoring Systems SN - 978-3-540-69132-7 PY - 2008/// CY - Germany PB - Springer KW - Computer Science KW - Intelligent Tutoring Systems UR - http://link.springer.com/openurl?genre=book&isbn=978-3-540-69130-3 ER -