Moushir M. El-Bishouty Hiroaki Ogata Yoneo Yano A Model of Personalized Collaborative Computer Support Ubiquitous Learning Environment. 97-101 2008 ICALT http://dx.doi.org/10.1109/ICALT.2008.55 conf/icalt/2008 db/conf/icalt/icalt2008.html#El-BishoutyOY08