Patricia Santos Xavier Colina Davinia Hernández Leo Javier Melero Josep Blat Enhancing Computer Assisted Assessment Using Rubrics in a QTI Editor. 303-305 2009 ICALT http://dx.doi.org/10.1109/ICALT.2009.92 conf/icalt/2009 db/conf/icalt/icalt2009.html#SantosCLMB09