@inproceedings{san2005automatic,
  title={Automatic tools for diagnosis and feedback in a project based learning course},
  author={San-Segundo, R. and Montero, J.M. and Mac{\'\i}as-Guarasa, J. and C{\'o}rdoba, R. and Ferreiros, J.},
  booktitle={Frontiers in Education, 2005. FIE'05. Proceedings 35th Annual Conference},
  pages={S2D--17},
  year={2005},
  organization={IEEE}
}