00346nam a2200133Ia 450000500170000000800410001702000180005808200170007610000190009324500370011226000290014930000100017870000240018820260205063729.0260111s9999||||xx |||||||||||||| ||und||  a9788177583922  a658.8  K124F  aKalakota, Ravi 0aFrontiers of electronic commerce  aNew DelhibPearsonc2013  a864p.  aWhinston, Andrew B/