An extensible approach to visually editing adaptive learning activities and designs based on services.

Juan Manuel Dodero Álvaro Martínez del Val Jorge Torres An extensible approach to visually editing adaptive learning activities and designs based on services. 332-346 2010 21 J. Vis. Lang. Comput. 6 http://dx.doi.org/10.1016/j.jvlc.2010.08.007 db/journals/vlc/vlc21.html#DoderoVT10