%0 Journal Article %A Vassileva, Dessislava %T Adaptive E-learning Content Design and Delivery Based on Learning Styles and Knowledge Level %J Serdica Journal of Computing %D 2012 %P 207 %V 6 %N 2 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/SJC_2012__6_2_219603/ %G en %F SJC_2012__6_2_219603