@article{article44e90898,
title   = {Adaptive learning in the educational e-LORS system: an approach based on preference categories},
author = {Martinez Zaina, Luciana Aparecida and Rodrigues Junior, José Fernando and Cardieri, Maria Angelica Calixto de Andrade and Bressan, Graça},
year = {2011},
doi = {10.1504/ijlt.2011.044628},
journal   = {International Journal of Learning Technology}
}