Links
[1] http://design.rootiers.it/strutture/forum/13
[2] http://design.rootiers.it/strutture/sites/default/files/Esercitazione%202%20finale.pdf
[3] http://design.rootiers.it/strutture/sites/default/files/Verifica.sdb
[4] http://design.rootiers.it/strutture/sites/default/files/Es%202.1.xls