00514nam a2200205Ia 4500001000700000003000400007008004500011010001100056020001800067041001400085100002000099700002600119700002400145245004000169260003500209300001100244650002400255650001500279082001400294014513LIB220712b2006        py ||||| |||| 00| 0 spa d  a014513  a987-01-0570-X  aEspañol  aAspis, Analía  aPertusi, Ileana Carla  aNieva, Hugo Gonzalo  aComercio electrónico : e-commerce  bErrepar,aBuenos Aires :c2006  a244 p.  aCOMERCIOELECTRONICO  aE-COMMERCE  a343.099 9