TY  - BOOK
AU  - Graf,Sabine
TI  - Intelligent and adaptive learning systems: technology enhanced support for learners and teachers 
SN  - 9781609608422
PY  - 2012///
CY  - Hershey, PA
PB  - Information Science Reference
KW  - Intelligent tutoring systems
KW  - Computer-assisted instruction
N1  - "Premier reference source"; Includes bibliographical references and index
ER  -