W. Barbe, R. H. Swassing, and M. Milone, Teaching through modality strengths: concepts and practices, 1979.

P. Brusilovsky and L. Pesin, ISiS-Tutor: An adaptive hypertext learning environment, Proceedings of JCKBSE 1994, Japanese-CIS Symposium on knowledge-based software engineering. EIC, 1994.

C. Cleder, Planification didactique et construction de l'objectif d'une session de travail individualisée: modélisation des connaissances et du raisonnement mis en jeu, 2002.

D. Soldato, T. , D. Boulay, and B. , Implementation of motivational tactics in tutoring systems, Journal of Artificial Intelligence in Education, vol.6, issue.4, pp.337-378, 1995.

R. Dunn, K. Dunn, and E. Garry, Identifying individual learning styles., Student learning styles: diagnosing and prescribing programs, National Asssociation of Secondary School Principals (NASSP), vol.3, pp.39-54, 1993.

B. Fry, E. Kress, J. E. Fountoukidis, and D. L. , The Reading Teacher's Book of Lists, 1993.

V. John-steiner and H. Mahn, Sociocultural approaches to learning and development: A Vygotskian framework, Educational Psychologist, vol.31, issue.3-4, pp.191-206, 1996.
DOI : 10.1080/00461520.1996.9653266

D. Merrill, Knowledge objects and mental models, Proceedings International Workshop on Advanced Learning Technologies. IWALT 2000. Advanced Learning Technology: Design and Development Issues, 2000.
DOI : 10.1109/IWALT.2000.890621

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=

R. Murray-smith and T. A. Johansen, Multiple model approaches to modelling and control, 1997.

G. Paquette, Instructional engineering for learning objects repositories networks, 2nd International Conference on Computer Aided Learning in Engineering Education, pp.25-36, 2004.

P. Rabardel, Les hommes et les technologies, Approche cognitive des instruments contemporains, 1995.
URL : https://hal.archives-ouvertes.fr/hal-01017462

R. C. Murray, K. Van-lehn, and J. Mostow, Looking Ahead to Select Tutorial Actions: A Decision-Theoretic Approach, International Journal of Artificial Intelligence in Education, 2004.
URL : https://hal.archives-ouvertes.fr/hal-00197308

R. Säljö, Mental and physical artifacts in cognitive practices Learning in humans and machines. Towards an interdisciplinary learning science, pp.83-96, 1996.

L. Vygotsky, Mind in Society: The Development of Higher Psychological Processes Cole, 1978.

D. Wiley, Connecting Learning Objects to Instructional Design Theory: A Definition, a Metaphor, and a Taxonomy, The Instructional Use of Learning Objects, pp.3-23, 2002.