Sergey A. Sosnovsky Peter Brusilovsky Danielle H. Lee Vladimir Zadorozhny Xin Zhou Re-assessing the Value of Adaptive Navigation Support in E-Learning Context. 193-203 2008 AH http://dx.doi.org/10.1007/978-3-540-70987-9_22 conf/ah/2008 db/conf/ah/ah2008.html#SosnovskyBLZZ08