Paolo Boero Antonella Carlucci Giampaolo Chiappini Enrica Ferrero Enrica Lemut Pupils' Cognitive Development through Technological Experiences Mediated by the Teacher. 103-120 1994 conf/ifip3-5/1994 Exploring a New Partnership: Children, Teachers and Technology db/conf/ifip3-5/ifip3-5-1994.html#BoeroCCFL94