00423nam a22001577a 45000010005000000030010000050050017000150400014000320080041000460200018000871000021001052450060001262600039001863000011002256500029002367586MX-SIABUC20260702203754.0  aMX-SIABUC050622s2000    lu x   j            spa d  a2-919885-03-040aGraham, James A.0 aAn introduction into E-commerce, cyber bankingg and law4 aLuxembourg :bEditions Paul Bauler4 a195 p.  a1.COMERCIO ELECTRÓNICO