TY - JOUR AU - Vassileva, Dessislava TI - Adaptive E-learning Content Design and Delivery Based on Learning Styles and Knowledge Level JO - Serdica Journal of Computing PY - 2012 SP - 207 EP - 252 VL - 6 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJC_2012_6_2_a5/ LA - en ID - SJC_2012_6_2_a5 ER -