@inproceedings{334,
  author = {Cristóbal J. Carmona and Pedro González García and Maria José del Jesus Díaz and S. Ventura},
  title = {Subgroup discovery in an e-learning usage study based on Moodle},
  year = {2011},
  pages = {26-31},
  month = {October},
  address = {Salamanca (Spain)},
  note = {TIN-2008-06681-C06-02,TIN-2008-06681-C06-03,TIC-3928,TIC-3720},
}