- ICSLP, ISCA, (1992)
- KONVENS, page 353-357. Springer, (1992)
- Speech Communication 23(4):307-317 (1997)
- EUROSPEECH, ISCA, (1995)
- J. UCS 16(21):3191-3209 (2010)
- EUROSPEECH, ISCA, (1993)
- Educational Technology \& Society (2006)
- The Complementary Roles of IMS LD and IMS QTI in Supporting Effective Web-based Formative AssessmentProceedings of the 10th IASTED International Conference on Advanced Technologies in Education CATE 2007, Beijing, China, ISBN: 978-0-88986-699-7 . (October 2007)
- Interactive Learning Environments Volume 16(Number 1):83--100 (2008)
- Educational Technology \& Society 9(1):72--83 (2006)
- (2005)
- The complementary roles of ILS LD and IMS QTI in supporting effective web-based formative assessment(2007)
- Journal of Interactive Media in Education Advances in Learning Design. Special Issue (2005)
- J. UCS 13(7):924-931 (2007)
- ICALT, page 378-382. IEEE Computer Society, (2006)
- Educational Technology & Society 9(1):72-83 (2006)
- Educational Technology & Society 8(3):226-236 (2005)
- 35, page 729 - 738. (2004)


author