@article{DBLP:journals/entcs/Urquiza-FuentesV09,
author = {Jaime Urquiza-Fuentes and
J. {\'A}ngel Vel{\'a}zquez-Iturbide},
title = {Pedagogical Effectiveness of Engagement Levels - A Survey
of Successful Experiences},
journal = {Electr. Notes Theor. Comput. Sci.},
volume = {224},
year = {2009},
pages = {169-178},
ee = {http://dx.doi.org/10.1016/j.entcs.2008.12.061},
bibsource = {DBLP, http://dblp.uni-trier.de}
}