01171nam--2200373---450-99000108702020331620090219093544.00-262-52330-2000108702USA01000108702(ALEPH)000108702USA0100010870220020709d2000----km-y0enga50------baengUSy|||z|||001yyUnderstanding the digital economydata, tools, and researchedited by Erik Brynjolfsson and Brian KahinCambridgeThe Mit press2000vi, 400 p.23 cmCommercio elettronico658.8002854678BRYNJOLFSSON,Erik145626KAHIN,Brian145627ITSalbcISBD990001087020203316658.800 BRY 1 (IEP III 823)162965 LMIEP III00082554BKUMAMARIA1020020709USA011156CHIARA9020021007USA011225PATRY9020040406USA011715RSIAV29020090219USA010935Understanding the digital economy978555UNISA