EUREKA !

http://webcache.googleusercontent.com/search?q=cache:dG-07uluiZUJ:www.unich.it/~sasso/12.%2520la%2520classe%2520come%2520contesto%2520di%2520apprendimento%2520e%2520di%2520sviluppo.doc+&cd=1&hl=it&ct=clnk&gl=it