Denise Maria Coronado Neves de Araújo Janae Goncalves Martins Alejandro Martins Rodriguez Ricardo Miranda Barcia Regina Bolzan Leslie Paas Acquiring Knowledge through the Communication in WBT Ambient. 859-860 2000 conf/webnet/2000 WebNet db/conf/webnet/webnet2000.html#AraujoMRBBP00